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CCD Images - Session 871 (2021-03-16)
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Objects Session Notes
M31 - Spiral Galaxy with Extragalactic Nova AT 2021fbz AT 2021ckv - Type YSO Transient (GCVS PR Ori) Nova Per 2020 - Nova (V1112 Per, AT 2020abap) 398P/Boattini - Comet NGC 4631 - Spiral Galaxy with Type LRN Transient AT 2021biy SN 2021xn - Type Ia Supernova in PGC 6041 UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz UGC 5829 - Irregular Galaxy with LBV Transient AT 2021blu UGC 7607 - Spiral Galaxy (PGC 41088) - NGC 3515 & UGC 8067 attempts failed (due to cloud) Variable Stars (photometric monitoring) - RZ LMi
Nearby Stars (astrometric monitoring) - None - CN Leo attempt failed (due to cloud)
- Evening session (4.9 hours) - Session cut short by development of cloud which lasted until dawn. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 4°C (min) - CCD Temperature: -15°/20°C - Notes from 2021-03-16 >> [ Local Files >> ] -
| M31 with Nova 2021fbz (Andromeda) AT 2021fbz (Type: EGN) discovered 2021/03/08.397 UT by Koichi Itagaki Alias: PNV J00434013+4127123, XN03JR Discovery Magnitude 16.5 (Rochester Supernova site | TNS 2021fbz | Discovery Image ) |
| M31 with Nova 2021fbz (T+8.5d) Position of EGN is shown by white cross hairs. |
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| Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 20:51 UT (#871017-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| M31 with Nova 2021fbz - 2021-03-16 (T+8.5d) Image below (2021-03-16.864) was taken 8.5 days after discovery of 2021fbz Position of EGN (very faint) is shown by white cross hairs. |
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| Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 20:51 UT (#871017-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| M31 with Nova 2021fbz - Negative (T+8.5d) Position of EGN (very faint) is shown by black cross hairs. |
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| Annotated negative CCD Image (150% size, square root scale, cropped) Image details as above |
| Images of EGN 2021fbz (M31) on Transients 2021 Page >> |
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| AT 2021ckv / PR Ori (Orion) AT 2021ckv (Type: YSO) discovered 2021/02/08.759 UT by Gaia Alias: Gaia21arx, GCVS PR Ori [ Gaia21arx ] [ YSO Transients ] |
| AT 2021ckv - 2021-03-16 (T+36.1d) Image below (2021-03-16.880) was taken 36.1 days after discovery of 2021ckv Position of reported YSO Type Transient is shown by white cross-hairs. Measured Magnitude +11.10 (vs normal range of +12.2 to +13.6) |
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| Annotated CCD Image (50% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 21:16 UT (#871025-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021ckv (PR Ori) on Transients 2021 Page >> |
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| Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT 2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per |
| Nova Per 2020 - 2021-03-16 (T+111.1d) Image below (2021-03-16.892) was taken 111.1 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +14.84 |
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| CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-03-16 21:29 UT (#871031-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of Nova Per 2020 on Novae Page >> |
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| 398P/Boattini (passing through Gemini) Sun Distance 1.58 AU (receeding) Earth Distance 0.89 AU (132.7 million km) Comet very faint, indicated by white cross-hairs |
398P/Boattini - 2021-03-16, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 95.65 arcsec/hr, Dec 5.40 arcsec/hr) Comet indicated by white cross-hairs |
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| Annotated CCD Image (50% size, square root scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2021-03-16 21:59 UT (#871040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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| Images of 398P/Boattini on Comets 2020 Page >> |
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| NGC 4631 with AT 2021biy (Canes Venatici) AT 2021biy (Type: LRN) discovered 2021/01/29.559 UT by ATLAS Alias: ATLAS21dfy (Discovery Note) (Rochester Supernova site | Odd Trondal image | Nick James image ) LRN = Luminous Red Nova [ LRN Transients ] |
| NGC 4631 with AT 2021biy - 2021-03-14 (T+44.4d) Image below (2021-03-14.924) was taken 44.4 days after discovery of 2021biy LRN (very faint) is shown by white cross hairs. Very poor quality image (due to poor guiding) |
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| Annotated CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-14 22:21 UT (#870022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021biy (NGC 4631) on Transients 2021 Page >> |
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| SN 2021xn (Perseus) Faint Galaxy (PGC 6041, SDSS J013751.16+533958.8, catalog mag +16.1) with Type Ia Supernova [ Supernovae ] SN 2021xn (Type: Ia) discovered 2021/01/10.158 UT by ZTF Alias: ZTF21aacvhsc (Rochester Supernova site | Claudio Balcon image ) |
| SN 2021xn - 2021-03-16 (T+65.8d) Image below (2021-03-16.944) was taken 65.8 days after discovery of 2021xn SN (indistinct) 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 2021-03-16 22:50 UT (#871061-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021xn (PGC 6041) on Supernovae 2021 Page >> |
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| UGC 5760 with SN 2020zoq (Leo) SN 2020zoq (Type II, z=0.0, zhost=0.010040) discovered 2020/11/14.561 by ASAS-SN Discovery Magnitude +17.5 (g-Sloan) (Rochester Supernova site | Discovery Image | TNS 2020zoq ) |
| UGC 5760 with SN 2020zoq - 2021-03-16 (T+122.4d) Image below (2021-03-16.960) was taken 122.4 days after discovery of 2020zoq Position of SN (very faint) is shown by white cross hairs. |
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| Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 23:11 UT (#871070-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 5760 with SN 2020zoq - Earlier Image 2020-11-22 (T+11.7d) Image below (2020-11-26.219) was taken 11.7 days after discovery of SN 2020zoq SN is shown by white cross hairs. Measured magnitude +15.75 |
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| Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-26 05:16 UT (#833235-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2020zoq (UGC 5760) on Supernovae 2020 Page >> |
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| NGC 4227 with SN 2021biz (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 SN 2021biz - 2021-03-16 (T+46.4d) Image below (2021-03-16.983) was taken 46.4 days after discovery of 2021biz SN shown by white cross hairs. Measured magnitude +16.88 (unchanged) |
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| Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-16 23:47 UT (#871096-99) 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 5829 with LBV 2021blu (Leo Minor) AT 2021blu (Type: LBV) discovered 2021/02/01.467 UT by ATLAS Alias: ATLAS21dic, ZTF21aagppzg [ Irregular Galaxies ] |
| UGC 5829 with LBV 2021blu - 2021-03-16 (T+43.5d) Image below (2021-03-16.998) was taken 43.5 days after discovery of 2021blu LBV is indicated by white cross-hairs. Measured magnitude +17.68 |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-17 00:06 UT (#871102-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of LBV 2021blu (UGC 5829) on Transients 2021 Page >> |
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| UGC 7607 (Virgo) Alias: PGC 41088 Flat Galaxy Atlas [ Flat Galaxies ] Poor quality image (bright sky / uneven offset illumination) Target to be rescheduled for a future session |
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| Annotated CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-17 00:47 UT (#871117-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| [ See Later Image (2023-01-02) ] |
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| This Web Page: | CCD Images - Session 871 (2021-03-16) |
| Last Updated : | 2023-01-07 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
