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CCD Images - Session 881 (2021-04-03)
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C/2020 T2 (Palomar) - Comet IC 863 - Spiral Galaxy with Type IIn Supernova 2021foa IC 3322A - Spiral Galaxy with Type Ia Supernova 2021hiz NGC 3310 - Spiral Galaxy (Herschel IV-60) with SN 2021gmj NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz NGC 5018 - Elliptical Galaxy with Type Ia Supernova 2021fxy UGCA 284 - Spiral Galaxy (PGC 41587) UGC 3502 - Spiral Galaxy with Type Ia Supernova 2021cwc UGC 7774 - Spiral Galaxy (PGC 42045) Variable Stars (photometric monitoring) - None
- BL Lac & SS Cyg attempts failed (due to Cloud)Nearby Stars (astrometric monitoring) - 61 Cyg
- Night session (5.6 hours) - Main aims of the session were to acquire a selection of variable star, nearby star and comet targets and deep sky targets as cloud allowed - Poor quality skies - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2°C (min) - CCD Temperature: -20°C - Notes from 2021-04-03 >> [ Local Files >> ] -
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| C/2020 T2 (Palomar) (passing through Canes Venatici) Sun Distance 2.36 AU (approaching) Earth Distance 1.53 AU (228.8 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-03, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -18.09 arcsec/hr, Dec 4.05 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-03 23:17 UT (#881071-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-03 23:17 UT (#881065-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2020 T2 (Palomar) on Comets 2021 Page >> |
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| IC 863 with SN 2021foa (Virgo) SN 2021foa (Type: IIn) discovered 2021/03/15.450 UT by ASAS-SN Alias: ASASSN-21dg Discovery Magnitude 15.9 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 17.9 ( Rochester Supernova site | Discovery Image | TNS 2021foa ) |
| IC 863 with SN 2021foa - 2021-04-04 (T+19.6d) Image below (2021-04-04.054) was taken 19.6 days after discovery of 2021foa SN is indicated by white cross-hairs. Measured magnitude +14.9 |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 01:29 UT (#881113-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021foa (IC 863) on Supernovae 2021 Page >> |
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| IC 3322A with SN2021hiz (Virgo) SN 2021hiz (Type: Ia) discovered 2021/03/30.359 UT by ZTF Alias: ZTF21aaqytjr Discovery Magnitude 17.71 (g-ZTF Filter) ( Rochester Supernova site | TNS 2021hiz ) |
| IC 3322A with SN2021hiz - 2021-04-04 (T+4.7d) Image below (2021-04-04.016) was taken 4.7 days after discovery of 2021hiz Position of SN (distinct) is indicated by white cross-hairs. Measured magnitude +14.4 (Clear Filter) |
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| Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 00:28 UT (#881100-01) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021hiz (IC 3322A) on Supernovae 2021 Page >> |
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| NGC 5018 with SN2021fxy (Virgo) SN 2021fxy (Type: Ia) discovered 2021/03/17.725 UT by Koichi Itagaki Discovery Magnitude 16.9 (Clear Filter) vs Prior Non-Detection in DSS Image ( Rochester Supernova site | Discovery Image | Paolo Campaner image ) ( TNS 2021fxy ) |
| NGC 5018 with SN2021fxy - 2021-04-04 (T+17.3d) Image below (2021-04-04.024) was taken 17.3 days after discovery of 2021fxy SN is indicated by white cross-hairs. Measured magnitude + 13.9 (Clear Filter) |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-04 00:44 UT (#881104-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021fxy (NGC 5018) on Supernovae 2021 Page >> |
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| UGCA 284 (Virgo) Alias: PGC 41587 (catalog mag +15.5) [ UGCA Galaxies ] |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 22:17 UT (#881047-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 284 - Detail |
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| CCD Image (150% size, square root scale, cropped) Image details as above |
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| UGC 3502 with SN 2021cwc (Camelopardalis) SN 2021cwc (Type Ia, z=0.021) discovered 2021/02/13.381 UT by ATLAS Alias: ATLAS21flz ( Rochester Supernova site | Giancarlo Cortini image | Odd Trondal image ) |
| UGC 3502 with SN 2021cwc - 2021-04-03 (T+49.5d) Image below (2021-04-03.863) was taken 49.5 days after discovery of 2021cwc SN is shown by white cross hairs. SN has faded is barely visible. |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 20:51 UT (#881016-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021cwc (UGC 3502) on Supernovae 2021 Page >> |
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| NGC 3310 / Herschel IV-60 with SN2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq ( Rochester Supernova site | Gianluca Masi image) |
| NGC 3310 with SN2021gmj - 2021-04-03 (T+14.6d) Image below (2021-04-03.878) was taken 14.6 days after discovery of 2021gmj SN position indicated by white cross-hairs |
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| CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:14 UT (#881024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021gmj (NGC 3310) on Supernovae 2021 Page >> |
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| NGC 4165 with SN2021gno (Virgo) SN 2021gno (Type: II) discovered 2021/03/20.235 UT by ZTF Alias: ZTF21aaqhhfu ( Rochester Supernova site | Claudio Balcon image | Giancarlo Cortini image ) |
| NGC 4165 with SN2021gno - 2021-04-03 (T+14.7d) Image below (2021-04-03.893) was taken 14.7 days after discovery of 2021gno SN is shown by white cross hairs. Magnitude +16.7 |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:36 UT (#881032-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021gno (NGC 4165) on Supernovae 2021 Page >> |
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| NGC 4227 with SN2021biz (Canes Venatici) SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS Alias: ATLAS21dfz (Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image ) |
| NGC 4227 with SN2021biz - 2021-04-03 (T+64.4d) Image below (2021-04-03.908) was taken 64.4 days after discovery of 2021biz SN shown by white cross hairs. Measured magnitude +17.3 |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 21:57 UT (#881040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021biz (NGC 4227) on Supernovae 2021 Page >> |
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| UGC 7774 (Canes Venatici) Alias: PGC 42045 [ Flat Galaxies ] |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-03 22:58 UT (#881058-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 7774 - Detail |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
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| This Web Page: | CCD Images - Session 881 (2021-04-03) |
| Last Updated : | 2024-06-10 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
