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CCD Images - Session 939 (2021-12-05)
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Objects Session Notes
C/2017 K2 (PANSTARRS) - Comet UGCA 1 - Spiral Galaxy (PGC 538) NGC 7436 - Elliptical Galaxy (VV 84, PGC 70124) EGN 2021aceg - Extragalactic Nova in Spiral Galaxy M31 SN 2021win - Galaxy with Type Ia Supernova 2021win C/2019 L3 (ATLAS) - Comet UGC 2505 - Irregular Galaxy 132P/Helin-Roman-Alu - Comet UGCA 38 - Spiral Galaxy (PGC 10128) 10P/Tempel - Comet M110 - Elliptical Galaxy Nova Cas 2021 - Nova (V1405 Cas) Variable Stars (photometric monitoring) - SU Tau, BL Lac Nearby Stars (astrometric monitoring) - None
- Evening session 5.6 hours - Session ended by a Dome Rotation/Dome Closure issue and cloud - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -3°C (min) - CCD Temperature: -25°C - Notes from 2021-12-05 >> [ Local Files >> ]
| 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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| Images of C2017 K2 (PANSTARRS) on Comets 2021 Page >> |
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| UGCA 1 (Cetus) Alias: PGC 538 (Catalog mag +16.58) Foreground star is GSC 4669:167 / PPM 181866 (catalog mag +10.0) [ UGCA Galaxies ] Relatively poor image (single frame). Target to again be rescheduled fo a future session. |
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| Annotated CCD Image (50% size, square root scale) 180s exposure (single frame), 3x3 binning, C Filter 2021-12-05 18:21 UT (#939030) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 1 - Earlier Attempt (Nov 2020) Galaxy partially hidden by foreground star GSC 4669:167 (mag +10.0) Relatively poor image (single frame). Target to be rescheduled fo a future session. |
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| CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-19 21:19 UT (#830027-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 7436 (Pegasus) Alias: VV 84, PGC 70124 Vorontsov-Velyaminov Catalogue [ Vorontsov-Velyaminov Galaxies ] NGC 7436 with adjacent galaxies NGC 7433 & NGC 7435 Also with PGC 70100 in same field of view |
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| Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 18:55 UT (#939039-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 7436 / VV 84 - detail |
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| CCD Image (125% size, square root scale, cropped) Image details as above |
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| Negative CCD Image (125% size, square root scale, cropped) Image details as above |
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Nova 2021aceg in M31 (Andromeda) AT2021aceg (Type: EGN) discovered 2021-10-25.570 UT by XOSS Alias: PSP21ac, PNV J00473256+3938102 (Rochester Supernova site | Rochester EGN Page | Klaus Wenzel image ) |
| Nova 2021aceg in M31 - 2021-12-05 (T+41.3d) Image below (2021-12-05.820) was taken 41.3 days after discovery of 2021aceg Position of earlier EGN (no longer visible) is shown by white cross-hairs |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 19:49 UT (#939058-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova 2021aceg in M31 - Earlier Image 2021-10-31 (T+5.5d) Image below (2021-10-31.102) was taken 5.5 days after discovery of 2021aceg EGN is shown by white cross-hairs Measured magnitude +17.15 Object confirmed not to be a known foreground star using Aladin |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 02:36 UT (#930169-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of Nova 2021aceg (M31) on M31 Novae Page >> |
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SN 2021win (Taurus) Alias: In WISEA J050619.12+223047.4 SN 2021win (Type: Ia) discovered 2021-08-18.445 UT by ZTF Alias: ZTF21abuibjs, Gaia21dyd Magnitude at discovery ~ +16.4 (Rochester Supernova site | Gaia21dyd ) |
| Galaxy with SN 2021win (T+109.4d) Position of reported SN is shown by white circle Bright star in FOV is HIP 23784 (magnitude +7.13) |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:12 UT (#939066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| SN 2021win - 2021-12-05 (T+109.4d) Image below (2021-12-05.835) was taken 109.4 days after discovery of 2021win Position of reported SN is shown by white cross-hairs Host galaxy is faint but just visible. SN itself has probably faded and is no longer visible. |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 20:12 UT (#939066-70) 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) (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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| Images of C/2019 L3 (ATLAS) on Comets 2021 Page >> |
| C/2019 L3 (ATLAS) Inverse Spectrum |
| C/2019 L3 (ATLAS) - 2021-12-05 |
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| 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 |
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| UGC 2505 (Cetus) Earlier (Q1 2021) images of UGC 2505 contained a supernova: SN 2021bge (Type: II) discovered 2021/01/27.517 UT by Koichi Itagaki Alias: ATLAS21dfn, Gaia21aqd ( Rochester Supernova site | Discovery Image ) |
| UGC 2505 - 2021-12-05 (T+312.4d) Image below (2021-12-05.872) was taken 312.4 days after discovery of 2021bge SN has long since faded and is no longer visible in image below Image is for comparison with earlier images with SN Although UGC 2505 is recorded in catalogs as an irregular galaxy, it looks more like a spiral galaxy ? |
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| Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 21:02 UT (#939096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Negative CCD Image (125% size, square root scale, cropped) Image details as above |
| UGC 2505 with SN2021bge - Earlier Image (2021-01-31, T+4.3d) Image below (2021-01-31.867) was taken 4.3 days after discovery of 2021bge SN is shown by white cross hairs. Measured Magnitude +16.35 |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 20:57 UT (#856062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN2021bge (UGC 2505) on Supernovae 2021 Page >> |
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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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| Images of 132P/Helin-Roman-Alu on Comets 2021 Page >> |
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| UGCA 38 / PGC 10128 (Cetus) Catalog mag +16.4 [ UGCA Galaxies ] Galaxy is faint but visible |
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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 21:38 UT (#939115-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 38 / PGC 10128 - Detail |
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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 |
| UGCA 38 / PGC 10128 - Earlier Image (Oct 2020) |
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| CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-10-23 23:23 UT (#820149-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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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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| Images of 10P/Tempel on Comets 2021 Page >> |
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| M110 (Andromeda) |
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| CCD Image (70% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-12-05 22:12 UT (#939125-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236, by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas |
| Nova Cas 2021 / AT2021hkn - 2021-12-05 (T+262.5d) Image below (2021-12-05.935) was taken 262.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.88 (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-05 22:28 UT (#939132-36) 12" LX200R (at f/10.4) + ST-10XME |
| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-05 (T+262.5d) |
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| Spectra produced in AstroMain using Image taken with Star Analyser
200 3 x 30s exposure (average combine), 2x2 binning, S Filter 2021-12-05 22:31 UT (#939137-41) 12" LX200R (at f/10.4) + ST-10XME |
| Images of Nova Cas 2021 on Novae Page >> |
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| This Web Page: | CCD Images - Session 939 (2021-12-05) |
| Last Updated : | 2022-01-15 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
