David's Astronomy Pages (Solar System)
Comets - 2019
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David's Astronomy Pages (Solar System)
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Comets 2018 |
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Comets 2020 |
Comets Images (2019) Notes
38P/Stephan-Oterma (Oct 2018 - Feb 2019) 46P/Wirtanen (Dec 2018 - Apr 2019) 68P/Klemola (Aug 2019) C/2015 O1 (PANSTARRS) (Jan 2019) C/2017 T2 (PanStarrs) (Oct 2019 - Feb 2020) C/2018 N2 (ASASSN) (Oct 2019 - Apr 2020) C/2018 W2 (Africano) (Aug to Oct 2019) C/2018 Y1 (Iwamoto) (Feb to Aug 2019) C/2019 Q4 (Borisov) - Interstellar Comet (Sep-Oct 2019)
- This page summarises observations and images of comets in 2019 and early 2020. -
| 38P/Stephan-Oterma - 2018-10-21 (passing through Gemini) Sun Distance 1.61 AU Earth Distance 1.01 AU (150.9 million km) |
38P/Stephan-Oterma - 2018-10-21, Detail | |
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| CCD Image (50% size) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2018-10-21 20:03 UT (#633206-12) 12" LX200R (at f/10.4) + ST-10XME (Autoguided using TS 80mm APO + ZWO ASI178MC) |
Annotated CCD Image (100% size, Cropped) Image details as left |
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| 38P/Stephan-Oterma - 2018-11-08 (passing through Gemini) Sun Distance 1.59 AU Earth Distance 0.89 AU (133.0 million km) |
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| CCD Image (50% size) 26 x 30s exposure ( aligned on comet, average combine), 3x3 binning, C Filter 2018-11-08 03:32 UT (#636029-59) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on a guide star using TS 80mm APO + ZWO ASI178MC) |
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| 38P/Stephan-Oterma - 2018-12-04 (passing through Cancer) Sun Distance 1.61 AU Earth Distance 0.78 AU (116.8 million km) |
38P/Stephan-Oterma - 2018-12-24 (passing through Cancer) Sun Distance 1.68 AU Earth Distance 0.77 AU (115.4 million km) |
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| Annotated CCD Image (50% size) 5 x 30s exposure ( average combine), 3x3 binning, C Filter 2018-12-04 00:30 UT (#639041-47) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on a guide star using TS 80mm APO + ZWO ASI178MC) |
Annotated CCD Image (50% size) 5 x 30s exposure ( average combine), 3x3 binning, C Filter 2018-12-24 23:23 UT (#644292-97) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on a guide star using TS 80mm APO + ZWO ASI178MC) |
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| 38P/Stephan-Oterma - 2019-01-03 (passing through Lynx) Sun Distance 1.72 AU Earth Distance 0.79 AU (118.6 million km) |
38P/Stephan-Oterma - 2019-01-03, Detail | |
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| CCD Image (50% size, linear scale) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2019-01-03 01:48 UT (#647346-49) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on a guide star using TS 80mm APO + ZWO ASI178MC) |
Annotated CCD Image (100% size, log scale, cropped) Image details as above left |
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| 38P/Stephan-Oterma - 2019-01-03, Alternate View |
38P/Stephan-Oterma -2019-01-03, RotationalGradient Processing (Processing performed in IRIS 5.59) |
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| CCD Image (50% size, log scale) Image details as above |
Processed CCD Image (100% size, 15 deg rotational shift, cropped) Image details as left |
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| 38P/Stephan-Oterma - 2019-01-22 (passing through Lynx) Sun Distance 1.83 AU Earth Distance 0.90 AU (134.3 million km) Comet appears dimmer than last image (sky conditions or real difference) ? |
38P/Stephan-Oterma - 2019-01-23 (passing through Lynx) Sun Distance 1.84 AU Earth Distance 0.90 AU (135.4 million km) |
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| CCD Image (50% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2019-01-22 23:56 UT (#649340-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-01-23 22:59 UT (#650195-201) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 8P/Stephan-Oterma - 2019-02-02 am (passing through Lynx) Sun Distance 1.89 AU Earth Distance 0.98 AU (146.6 million km) Bright star is HIP 41526 (mag +8.0) Comet appears dimmer than later the same day (sky conditions, glare from adjacent start or real difference ?) |
38P/Stephan-Oterma - 2019-02-02 pm (passing through Lynx) Sun Distance 1.90 AU Earth Distance 0.99 AU (147.7 million km) Coma measured brightness mag +14.4 (C) Bright star is HIP 41526 (mag +8.0) |
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| Annotated CCD Image (50% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-02 00:14 UT (#655311-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-02 20:56 UT (#656153-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 38P/Stephan-Oterma - 2019-02-04 (passing through Lynx) Sun Distance 1.91 AU Earth Distance 1.01 AU (150.6 million km) |
38P/Stephan-Oterma - 2019-02-06 (passing through Lynx) Sun Distance 1.93 AU Earth Distance 1.03 AU (153.5 million km) |
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| CCD Image (50% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-04 22:05 UT (#657176-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-06 20:20 UT (#659094-100) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 38P/Stephan-Oterma 2019-02-07 (passing through Lynx) Sun Distance 1.93 AU Earth Distance 1.04 AU (155.2 million km) Comet appears dimmer than previous day (sky conditions or difference ?) |
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| CCD Image (50% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-07 23:50 UT (#660240-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 46P/Wirtanen - 2018-12-16 (passing through Taurus) Near to point of closest distance from earth Sun Distance 1.06 AU Earth Distance 0.08 AU (11.6 million km) |
46P/Wirtanen - 2018-12-16, Detail | |
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| CCD Image (50% size, linear scale) 15s exposure (single frame), 3x3 binning, C Filter 2018-12-16 21:03 UT (#641184) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (50% size, log scale) 31 x 15s exposure (average combine), 3x3 binning, C Filter 2018-12-16 21:03 to 21:16 UT (#641184-222) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on comet using TS 80mm APO + ZWO ASI178MC) |
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| False Color CCD Image (50% size, logscale) Inverse Spectrum Image details as above |
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| 46P/Wirtanen - 2018-12-24 (passing through Auriga) Sun Distance 1.07 AU Earth Distance 0.09 AU (13.8 million km) |
46P/Wirtanen - 2018-12-24, Detail | |
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| CCD Image (50% size, linear scale) 15s exposure (single frame), 3x3 binning, C Filter 2018-12-24 18:33 UT (#644036) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (70% size, log scale) 31 x 15s exposure (average combine), 3x3 binning, C Filter 2018-12-24 18:33 to 18:47 UT (#644036-7) 12" LX200R (at f/10.4) + ST-10XME (Autoguided on comet using TS 80mm APO + ZWO ASI178MC) |
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False Color CCD Image (50% size, logscale) Inverse Spectrum Image details as above |
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| 46P/Wirtanen - 2018-12-28 (passing through Auriga) Sun Distance 1.08 AU Earth Distance 0.11 AU (16.2 million km) |
46P/Wirtanen - 2018-12-28, Detail Aligned on comet (stars appear slightly trailed due to movement of comet) |
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| CCD Image (50% size, linear scale) 4 x 15s exposure (average combine), 3x3 binning, C Filter 2018-12-28 21:12 UT (#645119-22) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (100% size, log scale) Image details as left |
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| 46P/Wirtanen - 2019-01-02 (passing through Lynx) Sun Distance 1.09 AU Earth Distance 0.13 AU (19.8 million km) |
46P/Wirtanen - 2019-01-02, Detail Aligned on comet |
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| CCD Image (50% size, linear scale) 15s exposure (single frame), 3x3 binning, C Filter 2019-01-02 23:58 UT (#647261) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (50% size, logscale) 18 x 15s exposure average combine), 3x3 binning, C Filter 2019-01-03 00:01 UT (#647261-81) 12" LX200R (at f/10.4) + ST-10XME) |
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46P/Wirtanen - RotationalGradient Processing 15 deg rotational shift (Processing performed in IRIS 5.59) |
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| CCD Image (50% size, logscale) Image details as above |
Processed CCD Image (50% size,rotational gradient) Image details as above |
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| 46P/Wirtanen - 2019-01-20 (passing through Ursa Major) Sun Distance 1.18 AU Earth Distance 0.24 AU (35.4 million km) |
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| CCD Image (50% size, linear scale) 19 x 15s exposure (average combine), 3x3 binning, C Filter 2019-01-20 19:39 UT (#648111-29) 12" LX200R (at f/10.4) + ST-10XME |
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| 46P/Wirtanen - Earlier Image
(2019-01-23 am) (passing through Ursa Major) Sun Distance 1.19 AU Earth Distance 0.25 AU (37.5 million km) |
46P/Wirtanen - 2019-01-23 pm (passing through Ursa Major) Sun Distance 1.20 AU Earth Distance 0.26 AU (38.4 million km) |
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| CCD Image (50% size, linear scale) 40 x 15s exposure (average combine), 3x3 binning, C Filter 2019-01-23 02:38 UT (#649474-513) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (50% size, linear scale) 8 x 15s exposure (average combine), 3x3 binning, C Filter 2019-01-23 22:25 UT (#650166-73) 12" LX200R (at f/10.4) + ST-10XME |
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| 46P/Wirtanen - 2019-02-02 (passing through Ursa Major) Sun Distance 1.26 AU Earth Distance 0.33 AU (49.1 million km) |
46P/Wirtanen - 2019-02-02, Motion Motion over 1.57 hours interval between 2019-02-02 23:47 and 2019-02-03 01:21 |
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| CCD Image (50% size, linear scale) 5 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-02 23:47 UT (#656289-93) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (100% size, linear scale, cropped) 5 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-02 23:47 UT (#656289-93) |
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| 46P/Wirtanen - 2019-02-23 (passing through Ursa Major) Sun Distance 1.42 AU Earth Distance 0.51 AU (75.8 million km) |
46P/Wirtanen - 2019-02-23, Detail 10 minute total exposure Stacked image aligned on Comet (stars appear trailed due to motion of comet) |
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| Annotated CCD Image (50% size) 3 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-23 23:53 UT (#667117-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped) 40 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-23 23:59 UT (#667117-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 46P/Wirtanen - 2019-02-23, 2 hours later |
46P/Wirtanen - 2019-02-23, 2 hours later 10 minute total exposure |
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| Annotated CCD Image (50% size) 3 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-24 01:53 UT (#667169-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped 39 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-24 02:00 UT (#667169-208) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 46P/Wirtanen - 2019-03-09 (passing through Ursa Major) Sun Distance 1.53 AU Earth Distance 0.65 AU (97.8 million km) |
46P/Wirtanen - 2019-03-09, Detail |
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| Annotated CCD Image (50% size, linear scale) 5 x 15s exposure (average combine), 3x3 binning, C Filter 2019-03-09 22:37 UT (#672142-46) 12" LX200R (at f/10.4) + ST-10XME |
CCD Image (100% size, linear scale) Image details as left |
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| 46P/Wirtanen - 2019-03-22 (passing through Leo Minor) Sun Distance 1.64 AU Earth Distance 0.81 AU (121.7 million km) |
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| Annotated CCD Image (100% size, linear scale) 10 x 15s exposure (average combine), 3x3 binning, C Filter 2019-03-22 22:05 UT (#674051-60) 12" LX200R (at f/10.4) + ST-10XME |
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| 46P/Wirtanen - 2019-03-23 (passing through Leo Minor) Sun Distance 1.65 AU Earth Distance 0.83 AU (123.6 million km) |
46P/Wirtanen - 2019-03-23, Detail |
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| Annotated CCD Image (50% size, linear scale) 10 x 15s exposure (average combine), 3x3 binning, C Filter 2019-03-23 21:54 UT (#675013-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale) Image details as left |
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| 46P/Wirtanen - 2019-04-22 (passing through Leo Minor) Sun Distance 1.91 AU Earth Distance 1.28 AU (191.0 million km) No sign of comet at expected position (indicated by white circle) (exposure is almost certaintly too short to see comet given its catalog mag of +18.7 ) |
Similarly no sign of comet at expected position in an image (not shown) that stacks 40 x 15s frames (total exposure 10 minutes) |
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| Annotated CCD Image (50% size, linear scale) 3 x 15s exposure (average combine), 3x3 binning, C Filter 2019-04-22 22:53 UT (#676090-92) 12" LX200R (at f/10.4) + ST-10XME |
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| 68P/Klemola - 2019-08-25 (passing through Ophiuchus) Sun Distance 1.95 AU Earth Distance 1.37 AU (205.4 million km) Comet is shown by white cross-hairs |
68P/Klemola - 2019-08-25, Detail Frames aligned on Comet (Stars appear very slightly trailed due to movement of comet) |
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| Annotated CCD Image (50% size, linear scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-25 21:28 UT (#684019-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100%, square root scale, cropped) Image details as left |
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| 68P/Klemola - 2019-08-26 (passing through Ophiuchus) Sun Distance 1.94 AU Earth Distance 1.38 AU (206.1 million km) Comet is shown by white cross-hairs |
68P/Klemola - 2019-08-26, Detail Frames aligned on Comet (Stars appear very slightly trailed due to movement of comet) |
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| Annotated CCD Image (50% size, linear scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-26 21:48 UT (#685030-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100%, square root scale, cropped) Image details as left |
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| 68P/Klemola - 2020-09-04 (passing through Orion) Sun Distance 3.27 AU Earth Distance 3.34 AU (499.2 million km) Forecast position of comet is shown by white circle |
68P/Klemola - 2020-09-04, Detail Expected position of comet (Mag +17.8) is shown by white circle One of the faint stellar-like objects in this region may or may not be the comet |
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| Annotated CCD Image (50% size, linear scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2020-09-04 01:36 UT (#804252-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100%, square root scale, cropped) Image details as left |
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| C/2015 O1 (PANSTARRS) (passing through
Ursa Major) Sun Distance 4.80 AU Earth Distance 3.96 AU (592.2 million km) |
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| Annotated CCD Image (50% size) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2019-02-02 00:23 UT (#655321-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2015 O1 (PANSTARRS) - Earlier
Image (2019-01-31) (passing through Ursa Major) Sun Distance 4.79 AU Earth Distance 3.96 AU (592.0 million km) |
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| Annotated CCD Image (50% size) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2019-01-31 01:55 UT (#653423-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2015 O1 (PANSTARRS) - Earlier Detail (2019-01-31) |
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| CCD Image (100% size,cropped) Image details as above |
| C/2015 O1 (PANSTARRS) - Earlier Image
(2019-01-28) (passing through Ursa Major) Sun Distance 4.78 AU Earth Distance 3.96 AU (592.1 million km) Bright star in image is HIP 53295 (magnitude +4.6) |
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| Annotated CCD Image (50% size) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2019-01-28 21:56 UT (#651068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2015 O1 (PANSTARRS) - Earlier Detail (2019-01-28) |
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| CCD Image (100% size,cropped) Image details as above |
| C/2015 O1 (PANSTARRS) - Earlier Image (2019-01-03) (passing through star field in Ursa Major) Sun distance 4.65 AU. (comet seems particularly bright given its distance from the Sun) |
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| Annotated CCD Image (50% size) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2019-01-03 04:57 UT (#647441-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2015 O1 (PANSTARRS) - Earlier Detail (2019-01-03) Estimated Magnitude +16.8 |
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| Annotated CCD Image (100% size,cropped) Image details as above |
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| C/2017 T2 (PanStarrs) - 2019-10-01 (passing through Taurus) Sun Distance 3.14 AU Earth Distance 2.76 AU (412.8 million km) |
C/2017 T2 (PanStarrs) - 2019-10-01, Detail Frames aligned on comet |
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| CCD Image (50% size, linear scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-01 23:36 UT (#703042-44) 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) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-01 23:35 UT (#703038-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-10-08 (passing through Auriga) Sun Distance 3.09 AU Earth Distance 2.61 AU (391.1 million km) |
C/2017 T2 (PanStarrs) - 2019-10-08, Detail Frames aligned on comet |
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| CCD Image (50% size, linear scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-08 02:35 UT (#707194-95) 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 2019-10-08 02:35 UT (#707194-201) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-10-12 (passing through Auriga) Sun Distance 3.04 AU Earth Distance 2.50 AU (374.3 million km) |
C/2017 T2 (PanStarrs) - 2019-10-12, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 3.59 arcsec/hr, Dec 35.60 arcsec/hr) |
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| CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 23:25 UT (#709177-84) 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/2017 T2 (PanStarrs) - 2019-10-24 (passing through Auriga) Sun Distance 2.93 AU Earth Distance 2.24 AU (335.4 million km) |
C/2017 T2 (PanStarrs) - 2019-10-24, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -9.81 arcsec/hr, Dec 42.93 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-24 20:24 UT (#714061-63) 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 2019-10-24 20:25 UT (#714060-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-10-25 (passing through Auriga) Sun Distance 2.91 AU Earth Distance 2.22 AU (331.9 million km) |
C/2017 T2 (PanStarrs) - 2019-10-25, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -11.32 arcsec/hr, Dec 43.67 arcsec/hr) |
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| CCD Image (50% size, linear scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-25 23:21 UT (#715121-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped) Image details as left |
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| C/2017 T2 (PanStarrs) - 2019-11-07 (passing through Auriga) Sun Distance 2.79 AU Earth Distance 1.97 AU (294.6 million km) |
C/2017 T2 (PanStarrs) - 2019-11-07, Detail Frames aligned on comet, stars appear trailed due to motion of comet against background stars |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-07 22:41 UT (#719164-66) 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 2019-11-07 22:43 UT (#719164-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-11-08 (passing through Auriga) Sun Distance 2.78 AU (approaching) Earth Distance 1.95 AU (292.2 million km) |
C/2017 T2 (PanStarrs) - 2019-11-08, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -33.77 arcsec/hr, Dec 52.49 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-08 20:49 UT (#720119-21) 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 2019-11-08 20:52 UT (#720119-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-11-17 (passing through Auriga) Sun Distance 2.70 AU Earth Distance 1.81 AU (270.7 million km) |
C/2017 T2 (PanStarrs) - 2019-11-17, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -52.49, Dec 56.70 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-17 21:56 UT (#722075-77) 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 2019-11-17 21:58 UT (#722075-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-11-18 (passing through Auriga) Sun Distance 2.69 AU Earth Distance 1.79 AU (268.5 million km) |
C/2017 T2 (PanStarrs) - 2019-11-18, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -54.79, Dec 57.02 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-18 22:13 UT (#723229-30) 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 2019-11-18 22:16 UT (#723229-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-01 (passing through Auriga) Sun Distance 2.57 AU (approaching) Earth Distance 1.64 AU (245.6 million km) |
C/2017 T2 (PanStarrs) - 2019-12-01, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -85.88 arcsec/hr, Dec 56.58 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-01 20:48 UT (#725053-54) 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 2019-12-01 20:51 UT (#725053-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-03 (passing through Auriga) Sun Distance 2.55 AU (approaching) Earth Distance 1.62 AU (242.7 million km) |
C/2017 T2 (PanStarrs) - 2019-12-03, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -90.82 arcsec/hr, Dec 55.60 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-03 22:51 UT (#726157-59) 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 2019-12-03 22:53 UT (#726157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-04 (passing through Perseus) Sun Distance 2.54 AU (approaching) Earth Distance 1.62 AU (241.7 million km) |
C/2017 T2 (PanStarrs) - 2019-12-04, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -92.77 arcsec/hr, Dec 55.13 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-04 19:02 UT (#727085-87) 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 2019-12-04 19:05 UT (#727085-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-11 (passing through Perseus) Sun Distance 2.48 AU (approaching) Earth Distance 1.57 AU (234.9 million km) |
C/2017 T2 (PanStarrs) - 2019-12-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -106.31 arcsec/hr, Dec 50.19 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-11 03:58 UT (#728092-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-11 03:59 UT (#728092-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-17 am (passing through Perseus) Sun Distance 2.43 AU (approaching) Earth Distance 1.54 AU (230.6 million km) |
C/2017 T2 (PanStarrs) - 2019-12-17 am, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -106.31 arcsec/hr, Dec 50.19 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-17 03:18 UT (#729054-55) 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 2019-12-17 03:21 UT (#729054-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-17 pm (passing through Perseus) Sun Distance 2.42 AU (approaching) Earth Distance 1.54 AU (230.1 million km) |
C/2017 T2 (PanStarrs) - 2019-12-17 pm, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -116.66, Dec 42.68 arcsec/hr) |
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| CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2019-12-17 20:58 UT (#730106) 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 2019-12-17 21:01 UT (#730106-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2019-12-23 (passing through Camelopardalis) Sun Distance 2.37 AU (approaching) Earth Distance 1.52 AU (228.1 million km) |
C/2017 T2 (PanStarrs) - 2019-12-23, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -120.48, Dec 35.87 arcsec/hr) |
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| CCD Image (50% size, square root scale) 45s exposure (single frame ), 3x3 binning, C Filter 2019-12-23 01:15 UT (#731115) 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 2019-12-23 01:15 UT (#731115-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-01-06 (passing through Perseus) Sun Distance 2.24 AU (approaching) Earth Distance 1.53 AU (229.0 million km) |
C/2017 T2 (PanStarrs) - 2020-01-06, Detail Autoguided on a star using Lock Shift set at the comet's rate of motion (Ra -107.56, Dec 17.87 arcsec/hr) |
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| CCD Image (50% size, square root scale) 45s exposure (single frame ), 3x3 binning, C Filter 2020-01-06 21:53 UT (#738171) 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 2020-01-06 21:53 UT (#738171-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-01-11 (passing through Perseus) Sun Distance 2.20 AU (approaching) Earth Distance 1.54 AU (231.0 million km) |
C/2017 T2 (PanStarrs) - 2020-01-11, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -96.78, Dec 13.82 arcsec/hr) |
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| CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, C Filter 2020-01-11 22:57 UT (#740069) 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 2020-01-11 23:00 UT (#740069-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-01-19 (passing through Perseus) Sun Distance 2.14 AU (approaching) Earth Distance 1.57 AU (234.8 million km) |
C/2017 T2 (PanStarrs) - 2020-01-19, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -78.90, Dec 10.44 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-19 00:06 UT (#742098-99) 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 2020-01-19 00:09 UT (#742098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-01 (passing through Perseus) Sun Distance 2.03 AU (approaching) Earth Distance 1.63 AU (244.0 million km) |
C/2017 T2 (PanStarrs) - 2020-02-01, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -41.40, Dec 10.85 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-01 21:37 UT (#749023-24) 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 2020-02-01 21:40 UT (#749023-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-12 (passing through Perseus) Sun Distance 1.95 AU (approaching) Earth Distance 1.68 AU (251.4 million km) |
C/2017 T2 (PanStarrs) - 2020-02-12, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -14.40, Dec 15.54 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-12 23:09 UT (#751216-17) 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 2020-02-12 23:12 UT (#751216-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-14 (passing through Cassiopeia) Sun Distance 1.94 AU (approaching) Earth Distance 1.69 AU (252.1 million km) |
C/2017 T2 (PanStarrs) - 2020-02-14, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -11.92 arcsec/hr, Dec 16.11 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-14 01:01 UT (#752273-74) 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 2020-02-14 01:04 UT (#752273-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-20 (passing through Cassiopeia) Sun Distance 1.89 AU (approaching) Earth Distance 1.71 AU (256.1 million km) |
C/2017 T2 (PanStarrs) - 2020-02-20, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 3.38 arcsec/hr, Dec 20.12 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-20 21:07 UT (#753025-26) 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 2020-02-20 21:10 UT (#753025-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-25 (passing through Cassiopeia) Sun Distance 1.86 AU (approaching) Earth Distance 1.73 AU (258.7 million km) |
C/2017 T2 (PanStarrs) - 2020-02-25, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 14.22 arcsec/hr, Dec 23.34 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-25 20:50 UT (#755015-16) 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 2020-02-25 20:53 UT (#755015-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-02-26 (passing through Cassiopeia) Sun Distance 1.85 AU (approaching) Earth Distance 1.73 AU (259.1 million km) |
C/2017 T2 (PanStarrs) - 2020-02-26, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 16.22 arcsec/hr, Dec 23.95 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-26 18:59 UT (#756014-15) 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 2020-02-26 19:02 UT (#756014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-03-18 (passing through Cassiopeia) Sun Distance 1.73 AU (approaching) Earth Distance 1.77 AU (264.9 million km) |
C/2017 T2 (PanStarrs) - 2020-03-18, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 67.33 arcsec/hr, Dec 37.88 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-18 22:57 UT (#762135-36) 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 2020-03-18 23:00 UT (#762135-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-03-19 (passing through Cassiopeia) Sun Distance 1.73 AU Earth Distance 1.77 AU (265.0 million km) |
C/2017 T2 (PanStarrs) - 2020-03-19, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 70.33 arcsec/hr, Dec 38.47 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-19 22:23 UT (#763079-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-19 22:26 UT (#763079-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2017 T2 (PanStarrs) - 2020-01-11 Composite image showing motion of comet over a 3 hour period |
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| CCD Image (100% size, linear scale, cropped) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-11 22:56 & 2020-01-12 01:57 UT (#740068 & 155) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-11-08 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-08 20:52 UT (#720119-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-03 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-03 22:53 UT (#726157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-04 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-04 19:05 UT (#727085-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-11 |
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| False Colour CCD Image (50% size, log scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-11 03:59 UT (#728092-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-17 am |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-17 03:21 UT (#729054-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2019-12-23 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-23 01:15 UT (#731115-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-01-06 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-06 21:53 UT (#738171-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-01-11 |
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| False Colour CCD Image (50% size, log scale) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-11 23:00 UT (#740069-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-01-19 |
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| False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-19 00:09 UT (#742098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-01 |
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| False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-01 21:40 UT (#749023-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-12 |
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| False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-12 23:12 UT (#751216-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-14 |
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| False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-14 01:04 UT (#752273-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-20 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-20 21:10 UT (#753025-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-25 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-25 20:53 UT (#755015-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-26 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-26 19:02 UT (#756014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| False Colour Image of C/2017 T2 (PanStarrs) - 2020-03-18 |
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| False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-18 23:00 UT (#762135-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-04 (passing through Triangulum) Sun Distance 3.15 AU (approaching) Earth Distance 2.26 AU (337.5 million km) |
C/2018 N2 (ASASSN) - 2019-10-04, Detail | |
 CCD Image (50% size, linear scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-04 22:18 UT (#705105-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-04 22:21 UT (#705105-13) 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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| C/2018 N2 (ASASSN) - 2019-10-03 (passing through Triangulum) Sun Distance 3.15 AU (approaching) Earth Distance 2.27 AU (339.3 million km) |
C/2018 N2 (ASASSN) - 2019-10-03, Detail | |
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CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-03 00:32 UT (#704092-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
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| Negative CCD Image (100% size, square root scale, cropped) Image details as above |
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C/2018 N2 (ASASSN) - 2019-10-11 (passing through Triangulum) Sun Distance 3.14 AU (approaching) Earth Distance 2.22 AU (332.7 million km) |
C/2018 N2 (ASASSN) - Detail, 2019-10-11 20:48 UT | |
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| CCD Image (50% size, square root scale) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-11 22:44 UT (#708172-79) 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) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-11 20:48 UT (#708064-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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C/2018 N2 (ASASSN) - Detail, 2 hours later, 22:44 Comet has moved 2'30" in 1h 56m (i.e. motion of 77 arc sec/hour) |
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| CCD Image (100% size, square root scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-11 22:44 UT (#708172-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-12 (passing through Triangulum) Sun Distance 3.14 AU (approaching) Earth Distance 2.22 AU (332.3 million km) |
C/2018 N2 (ASASSN) - 2019-10-12, Detail Autoguided using Lock Shift set at the rates of Comet's predicted RA/Dec motion |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 20:25 UT (#709057-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-12 20:28 UT (#709057-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-16 (passing through Andromeda) Sun Distance 3.14 AU (approaching) Earth Distance 2.21 AU (331.3 million km) |
C/2018 N2 (ASASSN) - 2019-10-16, Detail Autoguided using Lock Shift set at the rates of Comet's predicted RA/Dec motion |
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| CCD Image (50% size, linear scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-16 02:26 UT (#710066-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, cropped) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-16 02:28 UT (#710066-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-26 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.22 AU (332.5 million km) |
C/2018 N2 (ASASSN) - 2019-10-26, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -89.11 arcsec/hr, Dec 19.28 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-26 21:36 UT (#716079-81) 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) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-26 21:35 UT (#716074-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-29 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.23 AU (334.1 million km) |
C/2018 N2 (ASASSN) - 2019-10-29, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -87.73 arcsec/hr, Dec 16.47 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-29 22:08 UT (#718014-16) 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) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-29 22:09 UT (#718012-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-11-08 (passing through Andromeda) Sun Distance 3.12 AU (turning) Earth Distance 2.29 AU (343.0 million km) |
C/2018 N2 (ASASSN) - 2019-11-08, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -78.61 arcsec/hr, Dec 8.43 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-08 21:08 UT (#720131-34) 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 45s exposure (average combine), 3x3 binning, C Filter 2019-11-08 21:08 UT (#720131-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-11-17 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.37 AU (355.1 million km) |
C/2018 N2 (ASASSN) - 2019-11-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -66.18 arcsec/hr, Dec 3.47 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-17 20:43 UT (#722014-16) 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 2019-11-17 20:46 UT (#722014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-11-18 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.38 AU (356.5 million km) |
C/2018 N2 (ASASSN) - 2019-11-18, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -64.84 arcsec/hr, Dec 3.12 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-11-18 17:48 UT (#723016-17) 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 2019-11-18 17:51 UT (#723016-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-12-03 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.57 AU (384.0 million km) |
C/2018 N2 (ASASSN) - 2019-12-03, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -40.70 arcsec/hr, Dec 0.53 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-03 21:59 UT (#726100-01) 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 2019-12-03 22:00 UT (#726100-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-12-04 (passing through Andromeda) Sun Distance 3.13 AU (turning) Earth Distance 2.58 AU (385.7 million km) |
C/2018 N2 (ASASSN) - 2019-12-04, Detail Autoguided on an offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -39.40 arcsec/hr, Dec 0.56 arcsec/hr) |
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| CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-04 17:59 UT (#727003-04) 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) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-04 18:00 UT (#727003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-12-17 (passing through Andromeda) Sun Distance 3.15 AU (receeding) Earth Distance 2.77 AU (413.7 million km) |
C/2018 N2 (ASASSN) - 2019-12-17, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.75 arcsec/hr, Dec 2.53 arcsec/hr) |
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| CCD Image (50% size) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-12-17 19:49 UT (#730032-34) 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 2019-12-17 19:52 UT (#730032-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2020-01-04 (passing through Andromeda) Sun Distance 3.17 AU (receeding) Earth Distance 3.03 AU (454.0 million km) |
C/2018 N2 (ASASSN) - 2020-01-04, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -0.64 arcsec/hr, Dec 8.16 arcsec/hr) |
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| CCD Image (50% size, square root scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-04 18:35 UT (#736043-51) 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/2018 N2 (ASASSN) - 2020-01-06 (passing through Andromeda) Sun Distance 3.17 AU (receeding) Earth Distance 3.07 AU (458.7 million km) |
C/2018 N2 (ASASSN) - 2020-01-06, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 1.28 arcsec/hr, Dec 8.92 arcsec/hr) |
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| CCD Image (50% size, square root scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-06 20:49 UT (#738110-14) 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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| C/2018 N2 (ASASSN) - 2020-01-20 (passing through Andromeda) Sun Distance 3.20 AU (receeding) Earth Distance 3.27 AU (488.9 million km) |
C/2018 N2 (ASASSN) - 2020-01-20, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.25 arcsec/hr, Dec 14.09 arcsec/hr) |
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| CCD Image (50% size, square root scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-20 19:09 UT (#744026-30) 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/2018 N2 (ASASSN) - 2020-02-01 (passing through Andromeda) Sun Distance 3.23 AU (receeding) Earth Distance 3.43 AU (513.2 million km) |
C/2018 N2 (ASASSN) - 2020-02-01, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 19.66 arcsec/hr, Dec 18.62 arcsec/hr) |
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| CCD Image (50% size, square root scale) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-01 21:19 UT (#749004-11) 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/2018 N2 (ASASSN) - 2020-02-12 (passing through Andromeda) Sun Distance 3.25 AU (receeding) Earth Distance 3.56 AU (533.2 million km) |
C/2018 N2 (ASASSN) - 2020-02-12, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 25.01 arcsec/hr, Dec 22.53 arcsec/hr) |
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| CCD Image (50% size, square root scale) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-12 19:05 UT (#751013-21) 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/2018 N2 (ASASSN) - 2020-03-11 (passing through Cassiopeia) Sun Distance 3.34 AU (receeding) Earth Distance 3.84 AU (573.8 million km) |
C/2018 N2 (ASASSN) - 2020-03-11, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 25.01 arcsec/hr, Dec 22.53 arcsec/hr) |
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| CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-11 02:32 UT (#761223-25) 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 2020-03-11 02:34 UT (#761223-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2020-03-19 am (passing through Cassiopeia) Sun Distance 3.37 AU (receeding) Earth Distance 3.90 AU (583.0 million km) |
C/2018 N2 (ASASSN) - 2020-03-19 am, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 37.69 arcsec/hr, Dec 33.94 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-19 04:19 UT (#762358-60) 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 2020-03-19 04:22 UT (#762358-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2020-03-19 pm (passing through Cassiopeia) Sun Distance 3.37 AU Earth Distance 3.90 AU (583.8 million km) |
C/2018 N2 (ASASSN) - 2020-03-19 pm, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 37.92 arcsec/hr, Dec 34.15 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-19 21:43 UT (#763051-53) 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 2020-03-19 21:45 UT (#763051-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2020-04-23 (passing through Cassiopeia) Sun Distance 3.50 AU (receeding) Earth Distance 4.08 AU (610.5 million km) |
C/2018 N2 (ASASSN) - 2020-04-23 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 49.15 arcsec/hr, Dec 42.92 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2020-04-23 00:48 UT (#772159-61) 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) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-04-23 00:51 UT (#772159-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 N2 (ASASSN) - 2019-10-26 (passing through Andromeda) Sun Distance 3.13 AU Earth Distance 2.22 AU (332.5 million km) Small galaxy on right hand edge of comet tail is PGC 2101673 (catalog mag +16.9) |
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| Negative CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-26 21:36 UT (#716079-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-10-07 (passing through Aquarius) Sun Distance 1.53 AU Earth Distance 0.60 AU (90.2 million km) |
C/2018 W2 (Africano) - 2019-10-07, Detail Frames guided using Lock Shift (stars appear trailed due to movement of comet image badly affected by cloud / poor sky transparency |
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| CCD Image (50% size, linear scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-07 23:23 UT (#707020-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, square root scale, cropped) Images details as left |
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| C/2018 W2 (Africano) - 2019-10-04 (passing through Aquarius) Sun Distance 1.51 AU Earth Distance 0.55 AU (82.5 million km) |
C/2018 W2 (Africano) - 2019-10-04, Detail Frames guided using Lock Shift (stars appear trailed due to movement of comet image badly affected by guiding issue) |
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| CCD Image (50% size, linear scale) 45s exposure (single frame), 3x3 binning, C Filter 2019-10-04 22:04 UT (#705094) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-10-04 22:07 UT (#705094-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-08-09 (passing through Camelopardalis) Sun Distance 1.51 AU Earth Distance 1.56 AU (233.5 million km) |
C/2018 W2 (Africano) - 2019-08-09,
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| CCD Image (50% size) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-09 00:23 UT (#680143-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped) Image details as left |
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| C/2018 W2 (Africano) - 2019-08-21 (passing through Camelopardalis) Sun Distance 1.47 AU Earth Distance 1.26 AU (188.3 million km) |
C/2018 W2 (Africano) - 2019-08-21,
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| CCD Image (50% size) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-21 02:22 UT (#681086-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped) Image details as left |
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| C/2018 W2 (Africano) - 2019-08-27 (passing through Camelopardalis) Sun Distance 1.46 AU Earth Distance 1.10 AU (164.8 million km) |
C/2018 W2 (Africano) - 2019-08-27,
Detail Frames aligned on comet (stars appear trailed due to movement of comet) |
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| CCD Image (50% size) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-27 03:15 UT (#685243-45) 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 2019-08-27 03:15 UT (#685243-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-08-29 (passing through Camelopardalis) Sun Distance 1.46 AU Earth Distance 1.05 AU (157.4 million km) |
C/2018 W2 (Africano) - 2019-08-29,
Detail Frames aligned on comet (stars appear trailed due to movement of comet) |
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| CCD Image (50% size) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-29 00:35 UT (#686102-04) 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) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2019-08-29 00:36 UT (#686100-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-09-02 (passing through Perseus) Sun Distance 1.46 AU Earth Distance 0.95 AU (141.7 million km) |
C/2018 W2 (Africano) - 2019-09-02, Detail Frames aligned on comet (stars appear trailed due to movement of comet) |
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| CCD Image (50% size) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-02 01:09 UT (#688185-87) 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, 3x3 binning, C Filter 2019-09-02 01:12 UT (#688185-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-09-07 (passing through Perseus) Sun Distance 1.45 AU Earth Distance 0.80 AU (119.3 million km) |
C/2018 W2 (Africano) - 2019-09-07, Detail Frames aligned on comet (stars appear trailed due to movement of comet and somewhat bloated due to an image quality issue) |
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| CCD Image (50% size) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-07 23:11 UT (#691106-07) 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 2019-09-07 23:12 UT (#691104-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-09-11 (passing through Perseus) Sun Distance 1.45 AU Earth Distance 0.80 AU (119.3 million km) |
C/2018 W2 (Africano) - 2019-09-11, Detail Frames aligned on comet (stars appear trailed due to movement of comet and somewhat bloated due to an image quality issue) |
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| CCD Image (50% size) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-11 22:26 UT (#692102-03) 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 2019-09-11 22:26 UT (#692099-107) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) - 2019-09-12 (passing through Perseus) Sun Distance 1.45 AU Earth Distance 0.80 AU (119.3 million km) |
C/2018 W2 (Africano) - 2019-09-12, Detail Frames aligned on comet (stars appear trailed due to movement of comet and somewhat bloated due to an image quality issue) |
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| CCD Image (50% size) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-12 22:15 UT (#693098-99) 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 2019-09-12 22:18 UT (#693098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 W2 (Africano) (passing through Perseus) Sun Distance 1.46 AU Earth Distance 0.95 AU (141.7 million km) Video sequence shows motion of comet against background stars but also shows an image quaility issue with rain drop like stars (see Investigation : Image Quality Issue - C/2018 W2 (Africano) |
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| Animated CCD Image (100% size, linear scale, cropped) 9 x 45s exposure, 3x3 binning, C Filter 2019-09-02 01:12 UT (#688185-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-02-20 (passing through Gemini) Sun Distance 1.30 AU Earth Distance 0.44 AU (65.3 million km) |
C/2018 Y1 (Iwamoto) - 2019-02-20, Detail Stacked Frames. Aligned on Comet (stars appear trailed) |
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| CCD Image (50% size) 30s exposure (single frame), 3x3 binning, C Filter 2019-02-20 22:53 UT (#665138) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, cropped) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-20 22:53 UT (#665137-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-02-20 Stacked Frames Aligned on comet (stars appear trailed) |
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| CCD Image (50% size, log scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-20 22:53 UT (#665137-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) Image details as above |
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| C/2018 Y1 (Iwamoto) - 2019-02-23 (passing through Auriga) Sun Distance 1.31 AU Earth Distance 0.53 AU (78.6 million km) |
C/2018 Y1 (Iwamoto) - 2019-02-23, Detail Aligned on Comet (stars appear trailed due to movement of comet) |
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| CCD Image (50% size, linear scale) 30s exposure (single frame), 3x3 binning, C Filter 2019-02-23 23:00 UT (#667063) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, log scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-23 23:00 UT (#667063-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-02-25 (passing through Auriga) Sun Distance 1.32 AU Earth Distance 0.59 AU (87.6 million km) |
C/2018 Y1 (Iwamoto) - 2019-02-25, Detail Aligned on Comet. (Stars appear trailed due to movement of comet) |
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| CCD Image (50% size) 30s exposure (single frame), 3x3 binning, C Filter 2019-02-25 20:18 UT (#668004) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-25 20:18 UT (#668004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-02-26 (passing through Auriga) Sun Distance 1.32 AU Earth Distance 0.62 AU (92.8 million km) |
C/2018 Y1 (Iwamoto) - 2019-02-26, Detail Aligned on Comet (Stars appears trailed) |
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| CCD Image (50% size) 14 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-26 21:47 UT (#669165-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, cropped) Image details as left |
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| C/2018 Y1 (Iwamoto) - 2019-02-27 (passing through Auriga) Sun Distance 1.32 AU Earth Distance 0.65 AU (97.8 million km) |
C/2018 Y1 (Iwamoto) - 2019-02-27, Detail Aligned on Stars. Comet appears slightly trailed. Total exposure time 1.5 mins |
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| CCD Image (50% size) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-27 21:20 UT (#670052-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size) Image details as left |
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| C/2018 Y1 (Iwamoto) - 2019-03-04 (passing through Auriga) Sun Distance 1.34 AU Earth Distance 0.83 AU (123.5 million km) |
C/2018 Y1 (Iwamoto) - 2019-03-04, Detail Aligned on Comet |
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| CCD Image (50% size) 2 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-04 21:51 UT (#671032-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (50% size, logscale) 11 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-04 21:51 UT (#671032-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-03-18) (passing through Perseus) Sun Distance 1.42 AU Earth Distance 1.31 AU (195.5 million km) |
C/2018 Y1 (Iwamoto) - 2019-03-18,
Detail Aligned on Comet (Stars appear slightly trailed) |
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| CCD Image (50% size) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-18 20:35 UT (#673066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, cropped) 15 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-18 20:38 UT (#673066-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) (passing through Perseus) Sun Distance 1.44 AU Earth Distance 1.45 AU (216.3 million km) |
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| CCD Image (50% size) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-23 00:16 UT (#674212-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2018 Y1 (Iwamoto) - 2019-08-23 (passing through Perseus) Sun Distance 2.74 AU Earth Distance 3.15 AU (471.8 million km) Location of comet (catalogue mag +18.4) is shown by white circle |
C/2018 Y1 (Iwamoto) - 2019-08-23, Closer View Comet can only just be seen as a faint object at position shown by the white cross hairs. |
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| Annotated CCD Image (50% size) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2019-08-02 23:11 UT (#678088-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annoated CCD Image (100% size, cropped) Image details as left. |
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| C/2018 Y1 (Iwamoto) - 2019-10-06 (passing through Perseus) Sun Distance 3.42 AU Earth Distance 2.68 AU (400.5 million km) No sign of comet (catalogue mag +19.0) at comet's predicted location (shown by white circle) |
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| Annotated CCD Image (50% size) 2 x 30s exposure (average combine), 3x3 binning, C Filter 2019-10-06 22:35 UT (#706197-201) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2019 Q4 (Borisov) - 2019-09-17 (passing through Cancer) Sun Distance 2.61 AU Earth Distance 3.22 AU (481.2 million km) (white circle marks the location of the comet based on published oribital elements) It's extremely high eccentricity (2.89) indicating a hyperbolic orbit and very fast velocity (too fast to be captured by sun's gravity), make it likely that this is an interstellar visitor |
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| Annotated CCD Image (50% size) 7 x 120s exposure (average combine), 3x3 binning, C Filter 2019-09-17 03:56 UT (#695253-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided on offset star using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2019 Q4 (Borisov) - 2019-09-17, Detail Image affected by dust motte lit up by bright sky / moonlight (comet at altitude 26°) |
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| Annotated CCD Image (50% size, linear scale) Stacked frames, aligned on comet Image details as above |
| Bright / noisey sky background due to moonlit (Moon at 92% phase, 33° altitude & at 104° angular separation from C/2019 Q4 (Borisov) ) |
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| CCD Image (100% size, cropped) Stacked frames, aligned on comet Image details as above |
| C/2019 Q4 (Borisov)
- 2019-09-17, Video Sequence Sequence shows the relatively rapid apparent motion of comet, despite its distance (3.22 AU) Comet shows 20 arc sec of movement over 14.9 mins, which corresponds to a motion of 1.3 arc min/hour (or 0.54 arc deg/day) |
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| Video Sequence of 7 CCD frames (100% size, cropped) 2019-09-17 03:47 to 04:02 UT (#695253-60) Image details as above |
| C/2019 Q4 (Borisov) - 2019-09-27 (passing through Cancer) Sun Distance 2.47 AU Earth Distance 3.00 AU (449.2 million km) (position of comet is indicated It's extremely high eccentricity (2.89- 3.20 ) indicating a hyperbolic orbit and very fast velocity (too fast to be captured by sun's gravity), make it highly likely that this is an interstellar visitor |
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| Annotated CCD Image (50% size) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2019-09-27 03:21 UT (#700052-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| C/2019 Q4 (Borisov) - 2019-09-27, Detail Comet appears as a small linear trail due to its motion against the background stars |
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| Annotated CCD Image (100% size, linear scale) Stacked frames, aligned on stars Image details as above |
| C/2019 Q4 (Borisov), 2019-09-27 Frames aligned on comet & stacked Stars appear trailed due to the motion of the comet against background stars |
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| Annotated CCD Image (100% size, square root scale, cropped) Stacked frames, aligned on comet Image details as above |
| C/2019 Q4 (Borisov)
- Path through Solar System Image : Frame from orbit animation by NASA/JPL-Caltech & VideoFromSpace with some extra annotation |
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| This Web Page: | Comet Images - 2019 |
| Last Updated : | 2024-06-09 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
