David's Astronomy Pages (Solar System)
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Comets 2020 |
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Comets 2022 |
Comets Images (2021) Notes
4P/Faye (Oct 2021, Attempt) 7P/Pons-Winnecke (Feb - Apr 2021) 10P/Tempel (Nov 2021 - Jan 2022) 15P/Finlay (Aug - Nov 2021) 17P/Holmes (Aug - Oct 2021) 67P/Churyumov-Gerasimenko (Sep 2021 - Feb 2022) 88P/Howell (Oct 2021, Attempt) 132P/Helin-Roman-Alu (Nov 2021-Jan 2022) 156P/Russell-LINEAR (Nov 2020-Jan 2021) 277P/LINEAR (Jan 2021) 398P/Boattini (Nov 2020-Apr 2021) C/2017 K2 (PANSTARRS) (Nov 2021 - Feb 2022) C/2019 L3 (ATLAS) (Jan 2021-Dec 2021) C/2020 R4 (ATLAS) (Mar 2021) C/2020 T2 (Palomar) (Feb - May 2021) C/2021 A1 (Leonard) (Oct - Nov 2021)
- This page summarises observations and images of comets in 2021. -
4P/Faye - 2021-10-05, Attempted Sighting (passing through Orion) Sun Distance 1.64 AU (receeding) Earth Distance 1.15 AU (172.0 million km) Comet last observed in Mar 2007 No sign of comet at or near the expected position of comet (indicated by white circle) |
4P/Faye - 2021-10-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 71.65 arcsec/hr, Dec -20.77 arcsec/hr) No indication of comet at expected position |
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Annotated CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-05 03:07 UT (#921219-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (150% size, log scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-05 03:07 UT (#921219-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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4P/Faye - 2021-10-25 (passing through Gemini) Sun Distance 1.69 AU (receeding slowly) Earth Distance 1.05 AU (157.2 million km) Comet last observed in Mar 2007 No sign of comet at or near the expected position of comet (indicated by white circle) |
4P/Faye - 2021-10-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 44.43 arcsec/hr, Dec -23.59 arcsec/hr) No indication of comet at expected position |
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Annotated CCD Image (50% size, square root scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:42 UT (#927167-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (150% size, log scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:42 UT (#927167-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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4P/Faye - 2021-10-31, Attempted Sighting (passing through Monoceros) Sun Distance 1.70 AU (receeding) Earth Distance 1.02 AU (152.5 million km) Comet last observed in Mar 2007 No sign of comet at or near the expected position of comet indicated by white circle |
4P/Faye - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 34.98 arcsec/hr, Dec -23.33 arcsec/hr) No indication of comet at expected position objects in image appear to all be stars visible in Aladin |
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Annotated CCD Image (50% size, square root scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:33 UT (#930201-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (150% size, log scale, cropped) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:33 UT (#930201-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Earlier Images of 4P/Faye on Comets 2007 Page >> |
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7P/Pons-Winnecke (passing through Serpens) Sun Distance 1.74 AU (approaching) Earth Distance 1.38 AU (207.1 million km) Expected position of comet shown by white circle No indication of comet |
7P/Pons-Winnecke - 2021-02-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 93.13 arcsec/hr, Dec -2.00 arcsec/hr) No indication of comet |
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Annotated CCD Image (50% size, square root scale) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-11 00:40 UT (#858133-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-11 00:40 UT (#858133-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke (passing through Hercules) Sun Distance 1.62 AU (approaching) Earth Distance 1.16 AU (173.2 million km) Expected position of comet shown by white circle |
7P/Pons-Winnecke - 2021-02-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 99.78 arcsec/hr, Dec -0.51 arcsec/hr) Comet position is indicated by white circle. |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-28 04:09 UT (#865198-200) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-28 04:11 UT (#865198-206) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke (passing through Ophiuchus) Sun Distance 1.52 AU (approaching) Earth Distance 0.99 AU (148.5 million km) Expected position of comet shown by white circle Poor quality image (uneven background due to passing cloud) |
7P/Pons-Winnecke - 2021-03-14, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 106.01 arcsec/hr, Dec -1.88 arcsec/hr) Comet position is indicated by white circle. |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-14 04:37 UT (#869190-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-14 04:39 UT (#869190-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke (passing through Serpens) Sun Distance 1.44 AU (approaching) Earth Distance 0.86 AU (128.6 million km) Expected position of comet shown by white circle |
7P/Pons-Winnecke - 2021-03-27, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 112.61 arcsec/hr, Dec -6.87 arcsec/hr) Comet is indicated by white cross-hairs. |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-27 03:21 UT (#876062-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-27 03:25 UT (#876062-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke (passing through Serpens) Sun Distance 1.42 AU (approaching) Earth Distance 0.83 AU (124.0 million km) Expected position of comet shown by white circle |
7P/Pons-Winnecke - 2021-03-30, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 114.49 arcsec/hr, Dec -8.63 arcsec/hr) Comet is indicated by white cross-hairs. |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-30 03:41 UT (#877173-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 4 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-30 03:41 UT (#877173-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke - 2021-04-13 (passing through Ophiuchus) Sun Distance 1.34 AU (approaching) Earth Distance 0.70 AU (105.0 million km) Position of comet shown by white circle |
7P/Pons-Winnecke - 2021-04-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 124.79 arcsec/hr, Dec -21.01 arcsec/hr) Comet is indicated by white cross-hairs. |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 03:18 UT (#883202-03) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 03:24 UT (#883202-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke - 2021-04-15 (passing through Ophiuchus) Sun Distance 1.33 AU (approaching) Earth Distance 0.69 AU (102.6 million km) Position of comet shown by white circle |
7P/Pons-Winnecke - 2021-04-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 126.23 arcsec/hr, Dec -23.33 arcsec/hr) Comet is indicated by white cross-hairs. |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:52 UT (#885192-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:56 UT (#885189-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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7P/Pons-Winnecke - 2021-04-17 (passing through Ophiuchus) Sun Distance 1.32 AU (approaching) Earth Distance 0.67 AU (100.3 million km) Expected position of comet is shown by white circle |
7P/Pons-Winnecke - 2021-04-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 127.72 arcsec/hr, Dec -25.83 arcsec/hr) Comet (faint /unconfirmed) is indicated by white cross-hairs. |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-17 02:50 UT (#887084-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 12 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-17 02:53 UT (#887082-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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10P/Tempel - Attempt (passing through Orion) Sun Distance 2.24 AU Earth Distance 1.76 AU (262.7 million km) Expected position of comet shown by white circle No indication of comet (too faint ?) |
10P/Tempel - Attempt 2021-09-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.75 arcsec/hr, Dec -7.96 arcsec/hr) No indication of comet at its expected position. |
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Annotated CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 04:09 UT (#915356-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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10P/Tempel (passing through Taurus) Sun Distance 2.59 AU Earth Distance 1.63 AU (244.4 million km) Position of comet shown by white cross-hairs |
10P/Tempel - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -41.89 arcsec/hr, Dec -1.19 arcsec/hr). |
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Annotated CCD Image (50% size, linear scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-17 00:46 UT (#934087-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, linear scale, cropped) Image details as left |
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10P/Tempel (passing through Taurus) Sun Distance 2.70 AU (receeding) Earth Distance 1.75 AU (262.2 million km) Position of comet shown by white cross-hairs |
10P/Tempel - 2021-12-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -37.06 arcsec/hr, Dec 5.51 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 21:54 UT (#939120-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) Image details as left |
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10P/Tempel (passing through Taurus) Sun Distance 2.73 AU (receeding) Earth Distance 1.80 AU (269.4 million km) Position of comet shown by white cross-hairs |
10P/Tempel - 2021-12-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -33.53 arcsec/hr, Dec 7.17 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-10 20:59 UT (#940012-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) Image details as left |
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10P/Tempel (passing through Taurus) Sun Distance 2.90 AU (receeding) Earth Distance 2.21 AU (331.2 million km) Position of comet (very faint) is shown by white cross-hairs |
10P/Tempel - 2022-01-09, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -5.35 arcsec/hr, Dec 13.94 arcsec/hr) Position of comet (very faint) is shown by white cross-hairs |
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Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-09 18:53 UT (#952053-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) Image details as left |
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15P/Finlay (passing through Gemini) Sun Distance 1.16 AU Earth Distance 1.39 AU (207.9 million km) Comet position is shown by white cross-hairs Comet is fainter than it's expected mag (+13.4) |
15P/Finlay - 2021-08-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 125.73 arcsec/hr, Dec 7.58 arcsec/hr) Comet (very faint) shown by white cross-hairs |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-24 02:06 UT (#907071-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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15P/Finlay (passing through Gemini) Sun Distance 1.19 AU (receeding) Earth Distance 1.41 AU (210.7 million km) Comet position is shown by white cross-hairs |
15P/Finlay - 2021-08-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 120.55 arcsec/hr, Dec 4.80 arcsec/hr) Comet (faint) shown by white cross-hairs |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-28 01:48 UT (#909160-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-28 01:50 UT (#909160-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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15P/Finlay (passing through Gemini) Sun Distance 1.19 AU (receeding) Earth Distance 1.41 AU (210.7 million km) Comet position is shown by white cross-hairs |
15P/Finlay - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 9.91 arcsec/hr, Dec 7.56 arcsec/hr) Comet (faint) shown by white cross-hairs, best seen in negative image as a small fuzzy blob |
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Annotated CCD Image (50% size, square root scale) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:24 UT (#934213-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:24 UT (#934213-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Negative CCD Image (100% size, square root scale, cropped) Image details as above |
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17P/Holmes - 2021-08-24 (passing through Auriga) Sun Distance 2.50 AU Earth Distance 2.60 AU (389.4 million km) Comet position is shown by white cross-hairs Note : Comet's current sun distance (2.50 AU) is very similar to the distance it had when it expoded in 2007 (2.54 AU) |
17P/Holmes - 2021-08-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 61.30 arcsec/hr, Dec 17.49 arcsec/hr) Comet (very faint) shown by white cross-hairs Comet is just visible and seems close to it's expected mag (+18.0) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-24 00:33 UT (#907035-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 6 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-24 00:34 UT (#907035-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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17P/Holmes - 2021-09-22 (passing through Auriga) Sun Distance 2.62 AU (receeding) Earth Distance 2.38 AU (356.2 million km) Comet's expected position is shown by white circle |
17P/Holmes - 2021-09-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 38.76 arcsec/hr, Dec 15.48 arcsec/hr) Comet (very faint) shown by white circle |
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Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2021-09-22 00:52 UT (#915213-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 8 x 60s exposure (average combine), 3x3 binning, C Filter 2021-09-22 00:56 UT (#915213-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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17P/Holmes - 2021-10-23 (passing through Auriga) Sun Distance 2.75 AU (receeding) Earth Distance 2.15 AU (321.2 million km) Comet's expected position is shown by white circle |
17P/Holmes - 2021-10-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -0.26 arcsec/hr, Dec 13.75 arcsec/hr) Position of Comet (not visible) is shown by white circle |
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Annotated CCD Image (50% size, square root scale) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 05:27 UT (#926240-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 05:27 UT (#926240-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Earlier images of 15P/Holmes on Comets 2007 Page >> |
Earlier montage of images of Comet 17P/Holmes from 2007 |
CCD Image Montage (30% size) |
Earlier explosive eruption of Comet 17P/Holmes in 2007 |
Animated CCD Images (Log Scale) 5 x 10s exposure (average combine), 2x2 binning, C Filter, Frame 1 : 2007-10-25 20:45h UT (#227055-59) Frame 2 : 2007-10-29 04:43h UT (#228038-42) Frame 3 : 2007-10-30 04:47h UT (#229035-39) |
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67P/Churyumov-Gerasimenko - 2021-09-22 (passing through Taurus) Sun Distance 1.31 AU Earth Distance 0.55 AU (82.0 million km) |
67P/Churyumov-Gerasimenko - 2021-09-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 154.55 arcsec/hr, Dec 41.33 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 02:02 UT (#915247-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 02:07 UT (#915247-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-04 (passing through Taurus) Sun Distance 1.26 AU (approaching) Earth Distance 0.48 AU (72.2 million km) |
67P/Churyumov-Gerasimenko - 2021-10-04, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 168.57 arcsec/hr, Dec 35.78 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 02:12 UT (#920147-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 02:18 UT (#920147-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-04 pm (passing through Taurus) Sun Distance 1.26 AU (approaching) Earth Distance 0.48 AU (71.6 million km) |
67P/Churyumov-Gerasimenko - 2021-10-04 pm, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 169.28 arcsec/hr, Dec 35.13 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 23:16 UT (#921109-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 23:22 UT (#921109-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-10 (passing through Taurus) Sun Distance 1.25 AU (approaching) Earth Distance 0.46 AU (68.8 million km) |
67P/Churyumov-Gerasimenko - 2021-10-10, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 172.12 arcsec/hr, Dec 30.79 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-10 03:58 UT (#922111-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-10 04:03 UT (#922111-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-11 (passing through Taurus) Sun Distance 1.24 AU (approaching) Earth Distance 0.46 AU (68.3 million km) |
67P/Churyumov-Gerasimenko - 2021-10-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 172.36 arcsec/hr, Dec 29.90 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-11 03:16 UT (#923033-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-11 03:16 UT (#923033-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-15 (passing through Gemini) Sun Distance 1.23 AU (approaching) Earth Distance 0.44 AU (66.5 million km) |
67P/Churyumov-Gerasimenko - 2021-10-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 172.35 arcsec/hr, Dec 26.02 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-15 03:09 UT (#925140-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-15 03:11 UT (#925140-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-25 (passing through Gemini) Sun Distance 1.21 AU (approaching) Earth Distance 0.42 AU (63.5 million km) |
67P/Churyumov-Gerasimenko - 2021-10-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 164.14 arcsec/hr, Dec 15.84 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:53 UT (#927178-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:59 UT (#927178-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-10-31 (passing through Gemini) Sun Distance 1.21 AU (approaching) Earth Distance 0.42 AU (63.2 million km) |
67P/Churyumov-Gerasimenko - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 152.98 arcsec/hr, Dec 9.70 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:04 UT (#930231-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:01 UT (#930222-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-11-17 (passing through Cancer) Sun Distance 1.23 AU (turning) Earth Distance 0.42 AU (62.7 million km) |
67P/Churyumov-Gerasimenko - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 107.75 arcsec/hr, Dec 2.12 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:44 UT (#934227-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:49 UT (#934227-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-11-24 (passing through Cancer) Sun Distance 1.24 AU (turning) Earth Distance 0.42 AU (63.1 million km) Poor contrast due to close proximity to bright Moon |
67P/Churyumov-Gerasimenko - 2021-11-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 86.11 arcsec/hr, Dec 2.22 arcsec/hr) Poor contrast due to close proximity to bright Moon |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-24 03:22 UT (#936246-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 11 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-24 03:21 UT (#936240-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-12-17 (passing through Cancer) Sun Distance 1.33 AU (receeding) Earth Distance 0.45 AU (66.7 million km) |
67P/Churyumov-Gerasimenko - 2021-12-17, Detail Comet's rate of motion (Ra 107.75 arcsec/hr, Dec 2.12 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 01:04 UT (#942211-13) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
Annotated CCD Image (100% size, log scale, cropped) 12 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 01:09 UT (#942211-24) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
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67P/Churyumov-Gerasimenko - 2021-12-29 (passing through Cancer) Sun Distance 1.40 AU (receeding) Earth Distance 0.47 AU (70.6 million km) Poor contrast due to bright sky & poor sky/cloud |
67P/Churyumov-Gerasimenko - 2021-12-29, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -17.51 arcsec/hr, Dec 9.03 arcsec/hr) Poor contrast due to bright sky & poor sky/cloud |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-29 02:39 UT (#945170-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-29 02:39 UT (#945170-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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67P/Churyumov-Gerasimenko - 2021-12-30 (passing through Cancer) Sun Distance 1.41 AU (receeding) Earth Distance 0.47 AU (71.0 million km) |
67P/Churyumov-Gerasimenko - 2021-12-30, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -19.52 arcsec/hr, Dec 8.91 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2021-12-30 01:25 UT (#946111) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 45s exposure (single frame), 3x3 binning, C Filter 2021-12-30 01:25 UT (#946111) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Goto Post-Dec Pictures Later Images of 67P/Churyumov-Gerasimenko on Comets 2022 Page >> |
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67P/Churyumov-Gerasimenko - False Colour Image(s) Inverse Spectrum |
67P/Churyumov-Gerasimenko - 2021-09-22 |
False Colour CCD Image (70% size, square root scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 02:07 UT (#915247-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-04 |
False Colour CCD Image (70% size, log scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 02:18 UT (#920147-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-04 pm |
False Colour CCD Image (70% size, log scale) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-04 23:22 UT (#921109-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-10 |
False Colour CCD Image (70% size, log scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-10 04:03 UT (#922111-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-11 |
False Colour CCD Image (70% size, log scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-11 03:16 UT (#923033-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-15 |
False Colour CCD Image (70% size, log scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-15 03:11 UT (#925140-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-25 |
False Colour CCD Image (70% size, log scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:59 UT (#927178-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-10-31 |
False Colour CCD Image (70% size, log scale) 13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:01 UT (#930222-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-11-17 |
False Colour CCD Image (70% size, log scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 04:49 UT (#934227-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
67P/Churyumov-Gerasimenko - 2021-12-17 |
False Colour CCD Image (70% size, log scale) 12 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 01:09 UT (#942211-24) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
Goto Post-Dec Pictures Later Images of 67P/Churyumov-Gerasimenko on Comet 2022 Page >> |
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88P/Howell - 2021-10-23 (passing through Taurus) Sun Distance 3.48 AU (receeding) Earth Distance 2.75 AU (410.8 million km) Expected Position of comet (not visible) is shown by white circle |
88P/Howell - 2021-10-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -19.00 arcsec/hr, Dec 0.79 arcsec/hr) |
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CCD Image (50% size, square root scale) 8 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 03:20 UT (#926154-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 8 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 03:20 UT (#926154-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Earlier Images of 88P/Howell on Comets 2020 Page >> |
88P/Howell - Earlier Image, 2020-04-22 |
CCD Image (100% size, square root scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2020-04-22 23:18 UT (#772080-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.70 AU (receeding) Earth Distance 0.92 AU (137.0 million km) |
132P/Helin-Roman-Alu - 2021-11-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 41.50 arcsec/hr, Dec 14.19 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-24 19:29 UT (#937067-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-24 19:29 UT (#937065-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.71 AU (receeding) Earth Distance 1.00 AU (149.7 million km) |
132P/Helin-Roman-Alu - 2021-12-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 51.49 arcsec/hr, Dec 20.68 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-05 21:14 UT (#939103-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 6 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-05 21:16 UT (#939103-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.72 AU (receeding) Earth Distance 1.10 AU (163.9 million km) |
132P/Helin-Roman-Alu - 2021-12-16, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 59.42 arcsec/hr, Dec 25.30 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-16 19:26 UT (#942008-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-16 19:23 UT (#942004-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.73 AU (receeding) Earth Distance 1.11 AU (165.4 million km) |
132P/Helin-Roman-Alu - 2021-12-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 60.08 arcsec/hr, Dec 25.65 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-17 20:42 UT (#943076-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-17 20:44 UT (#943076-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.74 AU (receeding) Earth Distance 1.17 AU (175.6 million km) |
132P/Helin-Roman-Alu - 2021-12-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 64.06 arcsec/hr, Dec 27.59 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-24 22:36 UT (#944041-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-24 22:36 UT (#944041-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.75 AU (receeding) Earth Distance 1.21 AU (181.6 million km) |
132P/Helin-Roman-Alu - 2021-12-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 66.03 arcsec/hr, Dec 28.41 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-28 21:11 UT (#945024-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 6 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-28 21:13 UT (#945024-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.75 AU (receeding) Earth Distance 1.22 AU (183.2 million km) |
132P/Helin-Roman-Alu - 2021-12-29, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 66.53 arcsec/hr, Dec 28.59 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-29 22:32 UT (#946062-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2021-12-29 22:35 UT (#946062-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Pisces) Sun Distance 1.77 AU (receeding) Earth Distance 1.28 AU (190.9 million km) |
132P/Helin-Roman-Alu - 2022-01-03, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 68.67 arcsec/hr, Dec 29.29 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-03 18:17 UT (#948042-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-03 18:20 UT (#948042-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Pisces) Sun Distance 1.77 AU (receeding) Earth Distance 1.30 AU (194.2 million km) |
132P/Helin-Roman-Alu - 2022-01-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 69.51 arcsec/hr, Dec 29.50 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:38 UT (#949021-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:40 UT (#949021-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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132P/Helin-Roman-Alu (passing through Cetus) Sun Distance 1.78 AU (receeding) Earth Distance 1.32 AU (197.5 million km) |
132P/Helin-Roman-Alu - 2022-01-07, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 70.28 arcsec/hr, Dec 29.66 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-07 19:16 UT (#950048-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-07 19:18 UT (#950048-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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156P/Russell-LINEAR (passing through Triangulum) Sun Distance 1.46 AU (receeding) Earth Distance 0.88 AU (131.2 million km) |
156P/Russell-LINEAR - 2021-01-08 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 103.91 arcsec/hr, Dec 57.15 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-08 17:40 UT (#847003-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-08 17:44 UT (#847003-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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More
2020-2021 images of
156P/Russell-LINEAR on Comets 2020 Page >> |
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277P/LINEAR (passing through Aries) Sun Distance 1.90 AU Earth Distance 1.19 AU (177.9 million km) Comet appears to be in two fragments |
277P/LINEAR - 2021-01-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 45.79 arcsec/hr, Dec -29.59 arcsec/hr) Comet appears to be in two fragments ? |
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Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-02 23:06 UT (#843085-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-02 23:06 UT (#843085-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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277P/LINEAR (passing through Aries) Sun Distance 1.90 AU Earth Distance 1.20 AU (179.0 million km) Comet shown by white cross-hairs Several faint galaxies in same field of view |
277P/LINEAR - 2021-01-03, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 46.70 arcsec/hr, Dec -29.05 arcsec/hr) Only one confirmed fragment, other candidates are NED galaxies (cf. earlier 2021-01-02 image where there seemed to be two) |
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Annotated CCD Image (50% size, square root scale) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-03 21:10 UT (#844017-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-03 21:10 UT (#844017-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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277P/LINEAR (passing through Aries) Sun Distance 1.91 AU (receeding) Earth Distance 1.22 AU (182.6 million km) Comet shown by white cross-hairs |
277P/LINEAR - 2021-01-06, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 49.59 arcsec/hr, Dec -27.29 arcsec/hr) Comet shown by white cross-hairs |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-06 21:04 UT (#846088-90) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 8 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-06 21:07 UT (#846088-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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277P/LINEAR (passing through Aries) Sun Distance 1.91 AU (receeding) Earth Distance 1.24 AU (185.0 million km) Comet shown by white cross-hairs |
277P/LINEAR - 2021-01-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 51.31 arcsec/hr, Dec -26.19 arcsec/hr) Comet shown by white cross-hairs |
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Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-08 17:54 UT (#847014-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-08 17:58 UT (#847014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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398P/Boattini (passing through Orion) Sun Distance 1.31 AU (turning) Earth Distance 0.39 AU (59 million km) |
398P/Boattini - 2021-01-08, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 56.97 arcsec/hr, Dec 92.90 arcsec/hr) |
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CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-08 18:19 UT (#847042-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-08 18:22 UT (#847042-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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More 2020-2021
Images of
398P/Boattini
on Comets 2020 Page >> |
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C/2017 K2 (PANSTARRS) (passing through Hercules) Sun Distance 4.73 AU Earth Distance 5.39 AU (806.8 million km) Poor quality image due to wind vibration & single frame |
C/2017 K2 (PANSTARRS) - 2021-11-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 26.94 arcsec/hr, Dec -19.80 arcsec/hr) Poor quality image due to wind vibration & single frame |
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Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2021-11-24 19:17 UT (#937060) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) Image detail as left |
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C/2017 K2 (PANSTARRS) (passing through Hercules) Sun Distance 4.63 AU (approaching) Earth Distance 5.34 AU (798.9 million km) |
C/2017 K2 (PANSTARRS) - 2021-12-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 28.62 arcsec/hr, Dec -17.24 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-05 18:05 UT (#939017-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-05 18:08 UT (#939017-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2017 K2 (PANSTARRS) (passing through Hercules) Sun Distance 4.56 AU (approaching) Earth Distance 5.29 AU (791.1 million km) |
C/2017 K2 (PANSTARRS) - 2021-12-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 29.48 arcsec/hr, Dec -15.35 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-13 18:13 UT (#941014-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-13 18:16 UT (#941014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2017 K2 (PANSTARRS) (passing through Hercules) Sun Distance 4.52 AU (approaching) Earth Distance 5.25 AU (786.0 million km) |
C/2017 K2 (PANSTARRS) - 2021-12-18, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 29.84 arcsec/hr, Dec -14.29 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-18 06:23 UT (#943115-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-18 06:23 UT (#943112-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2017 K2 (PANSTARRS) (passing through Ophiuchus) Sun Distance 4.32 AU (approaching) Earth Distance 5.03 AU (752.9 million km) |
C/2017 K2 (PANSTARRS) - 2022-01-09, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 30.31 arcsec/hr, Dec -9.23 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-09 06:38 UT (#951146-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-09 06:40 UT (#951146-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2017 K2 (PANSTARRS) (passing through Ophiuchus) Sun Distance 4.05 AU (approaching) Earth Distance 4.59 AU (686.6 million km) |
C/2017 K2 (PANSTARRS) - 2022-02-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 27.13 arcsec/hr, Dec -3.14 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-02-08 05:58 UT (#966107-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-02-08 06:01 UT (#966107-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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See Also | ||
Images of C2017 K2 (PANSTARRS) on Comets 2022 Page >> | ||
Images of C2017 K2 (PANSTARRS) on Comets 2023 Page >> | ||
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C/2019 L3 (ATLAS) - 2021-01-16 (passing through Cassiopeia) Sun Distance 4.77 AU (approaching) Earth Distance 4.57 AU (684.1 million km) |
C/2019 L3 (ATLAS) - 2021-01-16, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 42.17 arcsec/hr, Dec -15.60 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-16 20:32 UT (#850073-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) Image details as left |
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C/2019 L3 (ATLAS) - 2021-01-23 (passing through Cassiopeia) Sun Distance 4.73 AU (approaching) Earth Distance 4.61 AU (689.0 million km) |
C/2019 L3 (ATLAS) - 2021-01-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 45.91 arcsec/hr, Dec -14.07 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-23 20:18 UT (#854079-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-23 20:19 UT (#854079-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-02-16 (passing through Cassiopeia) Sun Distance 4.59 AU (approaching) Earth Distance 4.73 AU (707.7 million km) |
C/2019 L3 (ATLAS) - 2021-02-16, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 56.28 arcsec/hr, Dec -8.82 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-16 23:32 UT (#859125-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-16 23:34 UT (#859125-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-02-25 (passing through Cassiopeia) Sun Distance 4.55 AU (approaching) Earth Distance 4.78 AU (714.7 million km) |
C/2019 L3 (ATLAS) - 2021-02-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 59.29 arcsec/hr, Dec -7.10 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-25 22:00 UT (#863065-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-25 22:02 UT (#863065-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-07 (passing through Lynx) Sun Distance 4.73 AU (approaching) Earth Distance 4.05 AU (606.5 million km) |
C/2019 L3 (ATLAS) - 2021-09-07, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 46.80 arcsec/hr, Dec -11.69 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2021-09-07 02:57 UT (#911114) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-07 03:01 UT (#911114-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-08 (passing through Lynx) Sun Distance 3.73 AU (approaching) Earth Distance 4.04 AU (604.5 million km) |
C/2019 L3 (ATLAS) - 2021-09-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 46.29 arcsec/hr, Dec -11.73 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-08 01:37 UT (#912150-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-08 01:41 UT (#912150-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-20 (passing through Auriga Sun Distance 3.70 AU (approaching) Earth Distance 3.86 AU (577.7 million km) |
C/2019 L3 (ATLAS) - 2021-09-20, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 39.35 arcsec/hr, Dec -12.11 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-20 02:14 UT (#914142-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-20 02:17 UT (#914142-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-22 (passing through Auriga Sun Distance 3.69 AU (approaching) Earth Distance 3.83 AU (573.0 million km) |
C/2019 L3 (ATLAS) - 2021-09-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 38.07 arcsec/hr, Dec -12.16 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 03:31 UT (#915308-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-22 03:35 UT (#915308-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-25 (passing through Auriga Sun Distance 3.69 AU (approaching) Earth Distance 3.78 AU (566.0 million km) |
C/2019 L3 (ATLAS) - 2021-09-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 36.12 arcsec/hr, Dec -12.23 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-25 04:51 UT (#916075-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-25 04:51 UT (#916075-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-27 (passing through Auriga) Sun Distance 3.68 AU (approaching) Earth Distance 3.74 AU (559.4 million km) |
C/2019 L3 (ATLAS) - 2021-09-27, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 34.29 arcsec/hr, Dec -12.30 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-27 23:50 UT (#917186-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-27 23:52 UT (#917186-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-09-30 (passing through Auriga Sun Distance 3.67 AU (approaching) Earth Distance 3.71 AU (554.6 million km) |
C/2019 L3 (ATLAS) - 2021-09-30, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 32.84 arcsec/hr, Dec -12.32 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-30 02:08 UT (#918239-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-30 02:11 UT (#918239-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-05 (passing through Lynx) Sun Distance 3.66 AU (approaching) Earth Distance 3.63 AU (542.6 million km) |
C/2019 L3 (ATLAS) - 2021-10-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 29.23 arcsec/hr, Dec -12.40 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-05 03:17 UT (#921231-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-05 03:20 UT (#921231-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-10 (passing through Lynx) Sun Distance 3.65 AU (approaching) Earth Distance 3.55 AU (530.6 million km) |
C/2019 L3 (ATLAS) - 2021-10-10, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 25.40 arcsec/hr, Dec -12.49 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2021-10-10 04:21 UT (#922120) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 45s exposure (single frame), 3x3 binning, C Filter 2021-10-10 04:21 UT (#922120) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-15 (passing through Lynx) Sun Distance 3.64 AU (approaching) Earth Distance 3.47 AU (519.1 million km) |
C/2019 L3 (ATLAS) - 2021-10-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 21.55 arcsec/hr, Dec -12.59 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2021-10-15 00:26 UT (#925079) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 45s exposure (single frame), 3x3 binning, C Filter 2021-10-15 00:26 UT (#925079) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-23 (passing through Lynx) Sun Distance 3.63 AU (approaching) Earth Distance 3.34 AU (499.8 million km) |
C/2019 L3 (ATLAS) - 2021-10-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 14.69 arcsec/hr, Dec -12.82 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-23 03:28 UT (#926163-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-23 03:32 UT (#926163-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-25 (passing through Lynx) Sun Distance 3.62 AU (approaching) Earth Distance 3.31 AU (495.0 million km) |
C/2019 L3 (ATLAS) - 2021-10-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.85 arcsec/hr, Dec -12.90 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-25 05:14 UT (#927197-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-25 05:17 UT (#927197-204) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-10-31 (passing through Lynx) Sun Distance 3.61 AU (approaching) Earth Distance 3.22 AU (481.1 million km) |
C/2019 L3 (ATLAS) - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 7.41 arcsec/hr, Dec -13.19 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:45 UT (#930212-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:47 UT (#930212-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-11-17 (passing through Lynx) Sun Distance 3.59 AU (approaching) Earth Distance 2.97 AU (444.2 million km) |
C/2019 L3 (ATLAS) - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -9.23 arcsec/hr, Dec -14.86 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 02:41 UT (#934157-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 02:44 UT (#934157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-11-24 (passing through Lynx) Sun Distance 3.58 AU (approaching) Earth Distance 2.88 AU (430.6 million km) |
C/2019 L3 (ATLAS) - 2021-11-24, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -16.13 arcsec/hr, Dec -16.05 arcsec/hr) Poor contrast due to close proximity to bright Moon |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-24 02:51 UT (#936227-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-24 02:51 UT (#936227-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-11-28 (passing through Lynx) Sun Distance 3.57 AU (approaching) Earth Distance 2.82 AU (422.2 million km) |
C/2019 L3 (ATLAS) - 2021-11-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.68 arcsec/hr, Dec -17.05 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-28 21:01 UT (#938035-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-28 21:01 UT (#938035-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-12-05 (passing through Lynx) Sun Distance 3.57 AU (approaching) Earth Distance 2.75 AU (411.0 million km) |
C/2019 L3 (ATLAS) - 2021-12-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -26.88 arcsec/hr, Dec -18.82 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:36 UT (#939083-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:39 UT (#939083-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-12-17 (passing through Auriga) Sun Distance 3.56 AU (approaching) Earth Distance 2.65 AU (397.0 million km) |
C/2019 L3 (ATLAS) - 2021-12-17, Detail Comet's rate of motion (Ra -34.66 arcsec/hr, Dec -22.22 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 00:55 UT (#942206-08) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
CCD Image (100% size, log scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 00:53 UT (#942200-08) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
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C/2019 L3 (ATLAS) - 2021-12-25 (passing through Gemini) Sun Distance 3.56 AU (approaching) Earth Distance 2.61 AU (390.3 million km) |
C/2019 L3 (ATLAS) - 2021-12-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -38.06 arcsec/hr, Dec -24.84 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-25 01:27 UT (#944078-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 4 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-25 01:28 UT (#944078-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) - 2021-12-28 (passing through Gemini) Sun Distance 3.56 AU (approaching) Earth Distance 2.59 AU (388.1 million km) |
C/2019 L3 (ATLAS) - 2021-12-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -38.93 arcsec/hr, Dec -26.07 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-28 22:21 UT (#945056-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-28 22:21 UT (#945053-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2019 L3 (ATLAS) 2022-01-17 (passing through Gemini) Sun Distance 3.56 AU (approaching) Earth Distance 2.60 AU (389.2 million km) Poor quality image (due to very bright moonlit sky) |
C/2019 L3 (ATLAS) - 2022-01-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -34.78 arcsec/hr, Dec -30.53 arcsec/hr) Poor quality image (due to very bright moonlit sky) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-17 21:15 UT (#955047-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-17 21:18 UT (#955047-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Earlier Images of
C/2019 L3 (ATLAS) on Comets 2020 Page >> Later Images of C/2019 L3 (ATLAS) on Comets 2022 Page >> |
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C/2019 L3 (ATLAS) Inverse Spectrum Images |
C/2019 L3 (ATLAS) - 2021-09-27 Glare in bottom right corner is from HIP 36163 (mag +6.66) which lies 0.62' outside of field of view |
False Colour CCD Image (70% size, square root scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-09-27 23:52 UT (#917186-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2019 L3 (ATLAS) - 2021-10-31 |
False Colour CCD Image (70% size, log scale) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:47 UT (#930212-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2019 L3 (ATLAS) - 2021-11-17 |
False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-17 02:44 UT (#934157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2019 L3 (ATLAS) - 2021-11-28 |
False Colour CCD Image (70% size, log scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-11-28 21:01 UT (#938035-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2019 L3 (ATLAS) - 2021-12-05 |
False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:39 UT (#939083-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2019 L3 (ATLAS) - 2021-12-17 |
False Colour CCD Image (70% size, log scale) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-17 00:53 UT (#942200-08) 12" LX200R (at f/10.4) + ST-10XME Non-guided |
C/2019 L3 (ATLAS) - 2021-12-28 |
False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-12-28 22:21 UT (#945053-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Goto Post-Dec Pictures Later Images of C/2019 L3 (ATLAS) on Comets 2022 Page >> |
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C/2020 R4 (ATLAS) (passing through Aquila) Sun Distance 1.11 AU Earth Distance 1.06 AU (158.2 million km) |
C/2020 R4 (ATLAS) - 2021-02-27, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -92.18 arcsec/hr, Dec 73.32 arcsec/hr) |
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CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-03-27 04:06 UT (#876114-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 30s exposure (average combine), 3x3 binning, C Filter 2021-03-27 04:10 UT (#876114-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.70 AU Earth Distance 2.07 AU (310.2 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-02-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 29.19 arcsec/hr, Dec 18.07 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-11 00:52 UT (#858150-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-11 00:58 UT (#858150-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.60 AU (approaching) Earth Distance 1.88 AU (281.7 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-02-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 17.78 arcsec/hr, Dec 19.93 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-25 02:59 UT (#862034-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-25 03:05 UT (#862034-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.44 AU (approaching) Earth Distance 1.62 AU (242.9 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-03-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -6.94 arcsec/hr, Dec 13.70 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-22 03:05 UT (#873082-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-22 03:09 UT (#873082-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.41 AU (approaching) Earth Distance 1.58 AU (236.9 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-03-27, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -11.60 arcsec/hr, Dec 10.51 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-27 02:09 UT (#876013-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-27 02:10 UT (#876013-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.39 AU (approaching) Earth Distance 1.56 AU (233.7 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-03-30, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -14.25 arcsec/hr, Dec 8.20 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-30 03:13 UT (#877148-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-30 03:18 UT (#877148-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.36 AU (approaching) Earth Distance 1.53 AU (228.8 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-03, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -18.09 arcsec/hr, Dec 4.05 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-03 23:17 UT (#881071-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-03 23:17 UT (#881065-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.32 AU (approaching) Earth Distance 1.49 AU (222.4 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -22.79 arcsec/hr, Dec -4.07 arcsec/hr) (Note : Image is Log Scaled) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-11 21:50 UT (#882004-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-11 21:56 UT (#882004-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-04-13 (passing through Canes Venatici) Sun Distance 2.31 AU (approaching) Earth Distance 1.48 AU (221.2 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.09 arcsec/hr, Dec -5.25 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 00:43 UT (#883096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 00:49 UT (#883096-110) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-04-14 (passing through Canes Venatici) Sun Distance 2.30 AU (approaching) Earth Distance 1.47 AU (220.5 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-14, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.47 arcsec/hr, Dec -6.41 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-14 01:15 UT (#884136-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-14 01:15 UT (#884136-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-04-15 (passing through Canes Venatici) Sun Distance 2.30 AU (approaching) Earth Distance 1.47 AU (219.8 million km) Comet indicated by white cross-hairs Passing by background galaxies PGC 99765 & PGC 99766 |
C/2020 T2 (Palomar) - 2021-04-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.81 arcsec/hr, Dec -7.56 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:09 UT (#885096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:15 UT (#885096-110) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-04-30 (passing through Canes Venatici) Sun Distance 2.22 AU (approaching) Earth Distance 1.42 AU (212.6 million km) |
C/2020 T2 (Palomar) - 2021-04-30, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.16 arcsec/hr, Dec -27.15 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 4 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-30 23:11 UT (#893029-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 4 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-30 23:11 UT (#893029-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-05-06 (passing through Canes Venatici) Sun Distance 2.20 AU (approaching) Earth Distance 1.41 AU (211.6 million km) |
C/2020 T2 (Palomar) - 2021-05-06, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.75 arcsec/hr, Dec -33.35 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-06 00:03 UT (#894050-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-06 00:08 UT (#894050-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-05-07 (passing through Canes Venatici) Sun Distance 2.20 AU (approaching) Earth Distance 1.41 AU (211.4 million km) |
C/2020 T2 (Palomar) - 2021-05-07, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.13 arcsec/hr, Dec -34.60 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-07 00:42 UT (#895033-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-07 00:47 UT (#895033-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-05-08 (passing through Canes Venatici) Sun Distance 2.19 AU (approaching) Earth Distance 1.41 AU (211.3 million km) |
C/2020 T2 (Palomar) - 2021-05-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -19.50 arcsec/hr, Dec -35.79 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-08 00:39 UT (#896018-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 14 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-08 00:44 UT (#896018-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-05-11 (passing through Canes Venatici) Sun Distance 2.18 AU (approaching) Earth Distance 1.41 AU (211.1 million km) |
C/2020 T2 (Palomar) - 2021-05-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -17.38 arcsec/hr, Dec -39.32 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-11 00:56 UT (#897028-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-11 00:59 UT (#897028-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2020 T2 (Palomar) - 2021-05-22 (passing through Canes Bootes) Sun Distance 2.14 AU (approaching) Earth Distance 1.42 AU (212.4 million km) |
C/2020 T2 (Palomar) - 2021-05-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -6.65 arcsec/hr, Dec -51.69 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-22 23:55 UT (#898025-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-05-22 23:57 UT (#898025-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2021 A1 (Leonard) - 2021-10-23 (passing through Ursa Major) Sun Distance 1.53 AU (approaching) Earth Distance 1.84 AU (275.2 million km) |
C/2021 A1 (Leonard) - 2021-10-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 41.82 arcsec/hr, Dec -12.65 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 04:28 UT (#926212-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-23 04:32 UT (#926212-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2021 A1 (Leonard) - 2021-10-25 (passing through Ursa Major) Sun Distance 1.50 AU (approaching) Earth Distance 1.78 AU (266.1 million km) |
C/2021 A1 (Leonard) - 2021-10-25, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 43.16 arcsec/hr, Dec -12.40 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:24 UT (#927154-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 8 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-25 04:28 UT (#927154-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2021 A1 (Leonard) (passing through Ursa Major) Sun Distance 1.40 AU approaching) Earth Distance 1.59 AU (237.8 million km) Bright star in field of view is HIP 57670 (mag + 5.73) |
C/2021 A1 (Leonard) - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 92.37 arcsec/hr, Dec -16.48 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-31 05:26 UT (#930280-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-31 05:29 UT (#930280-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2021 A1 (Leonard) (passing through Canes Venatici) Sun Distance 1.14 AU (approaching) Earth Distance 1.02 AU (152.1 million km) |
C/2021 A1 (Leonard) - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 48.68 arcsec/hr, Dec -11.87 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-17 05:06 UT (#934245-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-17 05:07 UT (#934243-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2021 A1 (Leonard) (passing through Canes Venatici) Sun Distance 1.03 AU (approaching) Earth Distance 0.77 AU (114.9 million km) Passing by NGC 4631 (Caldwell 32) |
C/2021 A1 (Leonard) - 2021-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 152.49 arcsec/hr, Dec -31.49 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-24 03:47 UT (#936264-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-24 03:50 UT (#936264-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Much Later Imaging Attempt (2024) |
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C/2021 A1 (Leonard) - 2024-04-13 (passing through Ophiuchus) Sun Distance 9.15 AU (receeding) Earth Distance 8.45 AU (1263.7 million km) Expected position of comet (no visible) is shown by white circle |
C/2021 A1 (Leonard) - 2024-04-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -13.32 arcsec/hr, Dec 5.95 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-04-13 03:25 UT (#1207111-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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C/2021 A1 (Leonard) - False Colour Image(s) Inverse Spectrum |
C/2021 A1 (Leonard) - 2021-11-17 |
False Colour CCD Image (70% size, log scale) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-17 05:07 UT (#934243-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
C/2021 A1 (Leonard) - 2021-11-24 Passing by NGC 4631 "The Whale" (top left) |
False Colour CCD Image (70% size, log scale) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2021-11-24 03:50 UT (#936264-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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This Web Page: | Comet Images - 2021 |
Last Updated : | 2024-07-25 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |