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CCD Images - Session 865 (2021-02-27)
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| NGC 304 with SN 2021dnn (Andromeda) [ Supernovae 2021 ] SN 2021dnn (Type: Ia) discovered 2021/02/22.225 UT by ATLAS Magnitude +18.3 at discovery Alias: ZTF21aabpszb, Gaia21adm (Rochester Supernova site | TNS | ) |
| NGC 304 with SN 2021dnn - 2021-02-27 (T+5.6d) Image below (2021-02-27.815) was taken 5.6 days after discovery of 2021dnn SN is shown by white cross hairs. Measured magnitude ? (unable to resolve SN using sextractor) |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 19:41 UT (#865014-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021dnn (NGC 304) on Supernovae 2021 Page >> |
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| UGC 2505 with SN 2021bge (Cetus) SN 2021bge (Type: II) discovered 2021/01/27.517 UT by Koichi Itagaki Alias: ATLAS21dfn, Gaia21aqd ( Rochester Supernova site | Discovery Image ) |
| UGC 2505 with SN 2021bge - 2021-02-27
(T+31.3d) Image below (2021-02-27.831) was taken 31.3 days after discovery of 2021bge SN position is shown by white circle Measured Magnitude +16.6 |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 20:06 UT (#865022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021bge (UGC 2505) on Supernovae 2021 Page >> |
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| AT 2021cxz (Monoceros) AT 2021cxz (Type: CV) discovered 2021/02/13.759 UT by Gaia Alias: Gaia21aua ( Rochester Supernova site | TNS 2021cxz | Gaia21aua ) Galactic plane source brightened by 0.25 mag in 18 months Magntitude +14.4 at discovery |
| AT 2021cxz - 2021-02-27 (T+14.1d) Transient is shown by white cross hairs. |
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| Annotated CCD Image (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-02-27 20:21 UT (#865031-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| AT 2021cxz - 2021-02-27 (T+14.1d) Image below (2021-02-27.846) was taken 14.1 days after discovery of 2021cxz Transient is shown by white cross hairs. Measured Magnitude +14.4 vs UCAC2 magnitude +14.2 |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-02-27 20:21 UT (#865031-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021cxz on Type CV Transients 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 / PR Ori - 2021-02-27 (T+19.1d) Image below (2021-02-27.861) was taken 19.1 days after discovery of 2021ckv Position of reported YSO Type Transient is shown by white cross-hairs. Measured Magnitude +11.6 (fading ?) |
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| Annotated CCD Image (50% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 20:49 UT (#865049-53) 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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| UGC 1436 with SN 2021nv (Aries) [ Supernovae 2021 ] SN 2021nv (Type: Ia) discovered 2021/01/07.263 UT by ATLAS Magnitude +17.8 at discovery Alias: ATLAS21aqr (Rochester Supernova site | Claudio Balcon image | ) |
| UGC 1436 with SN 2021nv - 2021-02-27 (T+51.6d) Image below (2021-02-27.876) was taken 51.6 days after discovery of 2021nv SN position is 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 2021-02-27 21:12 UT (#865057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021nv (UGC 1436) on Supernovae 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 ) |
| PGC 6041 with SN 2021xn - 2021-02-27 (T+48.7d) Image below (2021-02-27.891) was taken 48.7 days after discovery of 2021xn SN is shown by white cross hairs. Measured Magnitude +16.3 (SN) (magnitude based on WCS link on cropped image using GSC stars with x3 scale, too many stars for full frame WCS Link using UCAC stars) |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-27 21:31 UT (#865064-67) 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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| 398P/Boattini (passing through Gemini) Sun Distance 1.49 AU (receeding) Earth Distance 0.70 AU (105.4 million km) Comet very faint, indicated by white cross-hairs |
398P/Boattini - 2021-02-27, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 98.01 arcsec/hr, Dec 25.85 arcsec/hr) Comet indicated by white cross-hairs |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-27 23:06 UT (#865077-79) 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) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-27 23:08 UT (#865077-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of 398P/Boattini on Comets 2020 Page >> |
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| 156P/Russell-LINEAR (passing through Perseus) Sun Distance 1.75 AU (receeding) Earth Distance 1.48 AU (221.6 million km) Adjacent bright star is HIP 19083 (mag +7.5) |
156P/Russell-LINEAR - 2021-02-27 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 117.33 arcsec/hr, Dec 10.71 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-27 23:20 UT (#865088-90) 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 2021-02-27 23:23 UT (#865088-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of 156P/Russell-LINEAR on Comets 2020 Page >> |
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| AT 2021dbp (Auriga) AT 2021dbp (Type: CV) discovered 2021/02/14.535 UT by Gaia Alias: Gaia21auv, GSC 2374:280 ( Rochester Supernova site | Gaia21auv ) Based on Gaia Alert at magnitude +10.04 |
| AT 2021dbp - 2021-02-27 (T+13.4d) Image below (2021-02-27.981) was taken 13.4 days after discovery of 2021dbp CV is shown by white cross hairs. Measured Magnitude +10.95 (fading) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-02-27 23:35 UT (#865099-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021dbp 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 - 2021-02-27 (T+94.2d) Image below (2021-02-27.988) was taken 94.2 days after discovery of of Nova Nova is shown by white cross hairs. Measured magnitude +15.3 (flat ?) |
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| CCD Image (100% size, linear scale, cropped) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2021-02-27 23:49 UT (#865108-10) 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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| 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 - 2021-02-28 (T+29.5d) Image below (2021-02-28.019) was taken 29.5 days after discovery of 2021biz SN shown by white cross hairs. Measured magnitude +16.2 (fading) (Image affected by offset light source) |
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| Annotated CCD Image (125% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 00:36 UT (#865126-30) 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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| AT 2021bgi (Canes Venatici) In 2MASX J12303540+4257559 AT 2021bgi (Type AGN, zhost=0.065590) discovered 2021/01/27.048 UT by GSNST Alias: GSNST-21ar ( Rochester Supernova site ) [ Active Galactic Nuclei ] |
| 2MASX J12303540+4257559 with AT 2021bgi - 2021-02-28
(T+32.0d) Image below (2021-02-28.037) was taken 32.0 days after discovery of 2021bgi Transient/Galaxy nucleus is shown by white cross hairs. Combined magnitude +15.5 (brightening) |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 01:02 UT (#865133-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021bg (2MASX J12303540+4257559) on Transients 2021 Page >> |
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| AT 2021bxp (Leo Minor) AT 2021bxp (Type: CV) discovered 2021/02/05.909 UT by XOSS Alias: XM51HT, TCP J10203579+3103424, ZTF21aaherhg ( Rochester Supernova site ) |
| AT 2021bxp - 2021-02-28 (T+22.1d) Image below (2021-02-28.053) was taken 22.1 days after reported discovery of 2021bxp CV is shown by white cross-hairs. Measured magnitude +15.2 |
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| Annotated CCD Image (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-02-28 01:20 UT (#865142-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021bxp on Type CV Transients 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 - 2021-02-28 (T+29.5d) Image below (2021-02-28.068) was taken 29.5 days after discovery of 2021biy LRN shown by white cross hairs. Measured magnitude +16.5 (Image affected by offset light source) |
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| Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 01:46 UT (#865160-63) 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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| IC 992 with SN 2021dwg (Virgo) SN 2021dwg (Type: Ic) discovered 2021/02/27.420 UT by ZTF Alias: ZTF21aannoix Magnitude +18.44 at discovery (Rochester Supernova site ) |
| IC 992 with SN 2021dwg - 2021-02-28 (T+0.7d) Image below (2021-02-28.081) was taken 0.7 days after discovery of 2021dwg No indication of an object at reported SN position (shown by white circle) SN might still be too faint and/or or image quality is too poor (due to sub-optimal sky conditions) (SN is however visible in a later image taken 6.7 days after SN discovery) |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 02:06 UT (#865167-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021dwg (IC 992) on Supernovae 2021 Page >> |
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| KUG 1206+328 with SN 2020aeps (Coma Berenices) SN 2020aeps (Type: Ia) discovered 2020/12/29.904 UT by XOSS Alias: XM25HT, ZTF20adagenq, Gaia21adn (Rochester Supernova site | Discovery Image ) |
| KUG 1206+328 with SN 2020aeps - 2021-02-28 (T+60.2d) Image below (2021-02-28.097) was taken 60.2 days after discovery of 2020aeps SN is shown by white cross hairs. Measured magnitude ? (fading) (unable to resolve SN using CCDSoft Image Link/ Sextractor |
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| CCD Image (150% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-02-28 02:26 UT (#865176-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2020aeps (KUG 1206+328) on Supernovae 2020 Page >> |
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| UGC 6930 with SN 2020rcq (Ursa Major) Spiral Galaxy with Type Ia Supernova [ Supernovae ] SN 2020rcq (Type 1a, z=0.002597) discovered 2020/08/09.168 by Zwicky Transient Facility (ZTF) (Rochester Supernova site | Giancarlo Cortini image | ) |
| UGC 6930 with SN 2020rcq - 2021-02-28 (T+202.9d) Image below (2021-02-28.108) was taken 202.9 days after discovery of 2020rcq SN is shown by white cross hairs. Measured SN magnitude +16.75 (fading) |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-02-28 02:41 UT (#865183-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2020rcq (UGC 6930) on Supernovae 2020 Page >> |
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| NGC 4774 / Kidney Bean Galaxy (Canes Venatici) NGC 4774 with AT 2021cjd (Canes Venatici) AT 2021cjd (Type: unk) discovered 2021/02/07.491 UT by ZTF Alias: ZTF21aajgdeu NGC 4774 with AT 2021cjd - 2021-02-28 (T+20.6d) Image below (2021-02-28.119) was taken 20.6 days after discovery of 2021cjd |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-28 03:01 UT (#865191-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 4774 - Earlier Image (2020-02-02) Ring Galaxy, J.Lowrey List NGC 4774 (catalog mag +14.8) with adjacent faint galaxy PGC 2087677 (catalog mag +17.2) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-02-02 05:19 UT (#749304-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 4774 - Earlier Image NGC 4774 (catalog mag +14.8) with adjacent faint galaxy PGC 2087677 (catalog mag +17.2) |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2019-12-31 23:51 UT (#734368-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| 7P/Pons-Winnecke (passing through Hercules) Sun Distance 1.62 AU (approaching) Earth Distance 1.16 AU (173.2 million km) Expected position of comet shown by white circle |
7P/Pons-Winnecke - 2021-02-28, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 99.78 arcsec/hr, Dec -0.51 arcsec/hr) Comet position is indicated by white circle. |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-28 04:09 UT (#865198-200) 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 2021-02-28 04:11 UT (#865198-206) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of 7P/Pons-Winnecke on Comets 2021 Page >> |
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| This Web Page: | CCD Images - Session 865 (2021-02-27) |
| Last Updated : | 2022-06-08 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
