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CCD Images - Session 931 (2021-11-03)
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Nova Cas 2021 - Nova (V1405 Cas) EGN 2021aceg - Extragalactic Nova in Spiral Galaxy M31 IC 189 - Spiral Galaxy (PGC 7716) IC 190 - Elliptical Galaxy with Type Ia Supernova 2021abko NGC 327 - Spiral Galaxy with Type Ia Supernova 2021aclv ? UGC 235 - Spiral Galaxy with Type II Supernova 2021aazm UGC 505 - Spiral Galaxy with Type Ia Supernova 2021ukt Variable Stars (photometric monitoring) - SS Cyg, U Gem, BL Lac, ER UMa Nearby Stars (astrometric monitoring) - HH And, DX Cnc, 61 Cyg
- Night session 9.4 hours - Interrupted by cloud - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 5.5°C (min) - CCD Temperature: -20°C - Notes from 2021-11-03 >> [ Local Files >> ] - Aurora Images/Video from 2021-11-03 >>
| 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 - 2021-11-03 (T+230.5d) Image below (2021-11-03.880) was taken 230.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.39 (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:09 UT (#931021-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-03 (T+230.5d) |
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| Spectra produced in AstroMain using Image taken with Star Analyser
200 2 x 30s exposure (average combine), 2x2 binning, S Filter 2021-11-03 21:12 UT (#931026-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of Nova Cas 2021 on Novae Page >> |
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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 Discovery Magnitude 16.1 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 17.5 (Rochester Supernova site | Rochester EGN Page | Klaus Wenzel image ) ( TNS 2021aceg ) |
| Position of EGN shown by white circle |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-04 00:06 UT (#931088-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova 2021aceg in M31 - 2021-11-03 (T+9.4d) Image below (2021-11-03.998) was taken 9.4 days after discovery of 2021aceg EGN is shown by white cross-hairs Measured magnitude +17.8 Object confirmed not to be a known foreground star using Aladin |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-04 00:06 UT (#931088-92) 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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| IC 189 (Aries) IC 189 / PGC 7716 (catalog mag +14.1 or +15.4), left of centre |
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| Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:26 UT (#931030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| IC 189 - Detail |
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| CCD Image (150% size, square root scale, cropped) Image details as above |
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| IC 190 (Aries) IC 190 / PC 7731 (catalog mag +14.2 or + 15.2) with other galaxies in field of view IC 189 (catalog mag + 14.1), PGC 7758 (catalog mag +15.7), PGC 7729 (catalog mag +16.6), PGC 7764 (catalog mag +17.7) |
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| Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:26 UT (#931030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| IC 190 with SN2021abko (Aries) SN 2021abko (Type: Ia) discovered 2021-10-14.520 UT by ASAS-SN Alias: ASASSN-21tk, ZTF19acetzrc (Rochester Supernova site ) |
| IC 190 with SN2021abko - 2021-11-03 (T+20.4d) Image below (2021-11-03.888) was taken 20.4 days after discovery of 2021abko Galaxy with supernova shown by white cross-hairs Measured magnitude of galaxy + SN is +14.6 (vs host galaxy catalog mag of +14.2 or +15.2) Possible evidence for supernova in the second host galaxy magnitude case |
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| Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:26 UT (#931030-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN2021abko (IC 190) on Supernovae 2021 Page >> |
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NGC 327 (Cetus) with adjacent galaxies NGC 327 (catalog mag +13.5) NGC 329 (catalog mag +14.3), NGC 325 (catalog mag +14.8), PGC 3435 (catalog mag +14.6), NGC 321 (catalog mag +15.0) |
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| Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:52 UT (#931062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 327 with SN SN2021aclv (Cetus) SN 2021aclv (Type: Ia) discovered 2021-10-30.214 UT by ZTF Alias: ZTF21acjeegy (Rochester Supernova site ) |
| NGC 327 with SN2021aclv - 2021-11-03 (T+4.7d) Image below (2021-11-03.947) was taken 4.7 days after reported discovery of 2021aclv Supernova's reported position is shown by white cross-hairs It is not possible to demonstrate presence of SN as it is too close to the host galaxy's nucleus and too dim Measured magnitude +15.2 (nucleus + SN) vs Host Galaxy catalog mag (+13.5 or +14.1) & SN reported magnitude at discovery (+17.3) The bright object lying above the galaxy is confirmed to be a star (Aladin) |
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| Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:52 UT (#931062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN2021aclv (NGC 327) on Supernovae 2021 Page >> |
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| UGC 235 with SN2021aazm (Andromeda) SN 2021aazm (Type: II) discovered 2021-10-09.830 UT by XOSS Alias: XM75HT Discovery Magnitude 18.32 (Clear Filter) (Rochester Supernova site | Stan Howerton image | TNS 2021aazm ) |
| UGC 235 - Spiral Galaxy |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:11 UT (#931045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 235 with SN2021aazm - 2021-11-03 (T+25.1d) Image below (2021-11-03.917) was taken 25.1 days after discovery of 2021aazm Supernova (very faint) shown by white cross-hairs |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:11 UT (#931045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN2021abko (UGC 235) on Supernovae 2021 Page >> |
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| UGC 505 with SN2021ukt (Cetus) SN 2021ukt (Type: Ia) discovered 2021/07/31.441 UT by ZTF Alias: ZTF21abpxquj, Gaia21dsv ( Rochester Supernova site | Stan Howerton image | Gaia21dsv ) |
| UGC 505 with SN2021ukt - 2021-11-03 (T+95.5d) Image below (2021-11-03.933) was taken 95.5 days after discovery of 2021ukt No sign of any object at location of earlier supernova (shown by white cross-hairs) SN is presumed to have faded |
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| Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-11-03 22:33 UT (#931055-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021ukt (UGC 505) on Supernovae 2021 Page >> |
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| This Web Page: | CCD Images - Session 931 (2021-11-03) |
| Last Updated : | 2024-06-07 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
