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156P/Russell-LINEAR (passing through Triangulum) Sun Distance 1.58 AU (receeding) Earth Distance 1.13 AU (168.7 million km) |
156P/Russell-LINEAR - 2021-01-31 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 115.69 arcsec/hr, Dec 32.73 arcsec/hr) |
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CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:20 UT (#857074-75) 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 2021-01-31 21:54 UT (#856108-16) 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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398P/Boattini (passing through Orion) Sun Distance 1.37 AU (receeding) Earth Distance 0.50 AU (74.3 million km) |
398P/Boattini - 2021-02-01, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 87.17 arcsec/hr, Dec 68.97 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:54 UT (#857092-93) 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 2021-02-01 20:56 UT (#857092-100) 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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C/2020 M3 (Atlas) (passing through Auriga) Sun Distance 1.90 AU (receeding) Earth Distance 1.13 AU (169.6 million km) |
C/2020 M3 (Atlas) - 2021-02-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 44.51 arcsec/hr, Dec -0.82 arcsec/hr) |
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Annotated CCD Image (50% size, square root scaled) 15 x 15s exposure (average combine), 3x3 binning, C Filter 2021-02-02 00:58 UT (#857219-33) 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 C/2020 M3 (Atlas) on Comets 2020 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 AT2020abap (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 - 2021-02-01 (T+68.1d) Image below (2021-02-01.894) was taken 68.1 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +14.5 |
CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-02-01 21:33 UT (#857111-15) 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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AT 2021rl (Ursa Major) BL Type Transient, QSO 0954+658, 6C 095456+654857 AT2021rl (Type: BL) discovered 2021/01/06.449 UT by Gaia Alias: Gaia21acz Triggering Magnitude 14.21 (vs Historic Magnitude 15.57) ( Gaia21acz ) |
AT 2021rl - 2021-02-02 (T+26.6d) Image below (2021-02-02.002) was taken 26.6 days after discovery of 2021rl BL Type object shown by white cross hairs. Measured magnitude +14.3 (vs catalog mag of +15.5) |
Annotated CCD Image (100% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-02-02 00:06 UT (#857195) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2021rl (QSO 0954+658) on Transients 2021 Page >> |
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AT 2021bfs in M31 (Andromeda) AT 2021bfs (Type: FeII) discovered 2021/01/26.720 UT by Italian Supernovae Search Project Alias: PNV-OMB15, PNV J00425220+4116246 |
AT 2021bfs in M31 - 2021-02-01 (T+6.2d) Image below (2021-02-01.883) was taken 6.2 days after discovery of 2021bfs Transient is shown by white cross-hairs |
Annotated CCD Image (100% size, log scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 21:19 UT (#857105-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
AT 2021bfs in M31 - 2021-01-31 (T+5.1d) Image below (2021-01-31.816) was taken 5.1 days after discovery of 2021bfs Transient is shown by white cross-hairs |
Annotated CCD Image (100% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-31 19:45 UT (#856019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Earlier Image 2020-10-23 Image below (2020-10-23) was taken several months before discovery of AT 2021bfs Position of later transient is shown by white circle. No indication of any object at position of AT2021bfs |
Annotated CCD Image (100% size, square root scale, cropped) 3 x 120s exposure (average combine), 3x3 binning, C Filter 2020-10-23 20:40 UT (#820069-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT2021bfs on M31 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 Galaxy with transient is shown by white cross hairs. Other galaxies in same field of view : PGC 41314 (catalog mag +16.5), PGC 2208351 (catalog mag +17.2) |
Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 02:05 UT (#857263-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
2MASX J12303540+4257559 with AT 2021bgi - 2021-02-02 (T+6.0d) Image below (2021-02-02.079) was taken 6.0 days after discovery of 2021bgi Transient/Galaxy nucleus is shown by white cross hairs. Combined magnitude +15.8 |
Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 02:05 UT (#857263-66) 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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BNR2017 J014710+463040 (Andromeda) Alias: Andromeda's Parachute, PS J0147+4630 Gravitationally Lensed Quasar Quasar shown by white cross hairs |
Annotated CCD Image (35% size, square root scale) 4 x 120s exposure (average combine), 2x2 binning, C Filter 2021-02-01 19:31 UT (#857038-43) 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 above First Described by Berghae et al 2017 (Discovery of the first quadruple gravitationally lensed quasar candidate with Pan-STARRS) Image below is from Berghae 2017 paper, reproduced at bobmoler.files.wordpress.com ) |
[cf. Goicoechea & Shalyapin image ] |
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KUG 0830+278 (Cancer) SN 2020adow (Type: Ic-BL) discovered 2020-12-26.410 UT by ASAS-SN Alias: ASASSN-20qj (Rochester Supernova site | Andrea Mantero image | ) |
KUG 0830+278 with SN 2020adow - 2021-02-02 (T+37.6d) Image below (2021-02-02.047) was taken 37.6 days after discovery of 2020adow SN is shown by white cross hairs. Magnitude +15.6 |
Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 01:17 UT (#857237-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2020adow (KUG 0830+278) on Supernovae 2020 Page >> |
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NGC 684 with SN 2021ass (Triangulum) Spiral Galaxy with Type II Supernova [ Supernovae ] SN 2021ass (Type: II) discovered 2021/01/18.145 UT by ZTF Alias: ZTF21aafepon (Rochester Supernova site | Giancarlo Cortini image ) |
NGC 684 with SN 2021ass - 2021-02-01 (T+14.8d) Image below (2021-02-01.906) was taken 14.8 days after discovery of 2021ass SN is shown by white cross hairs. Magnitude ? |
Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 21:53 UT (#857118-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2021ass (NGC 684) on Supernovae 2021 Page >> |
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NGC 4145 (Canes Venatici) |
CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 22:14 UT (#857125-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4145 - Earlier wider view image (2021-01-19) |
CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 05:46 UT (#852187-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4145 - Earlier wider view image (2021-01-19) |
Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-19 05:46 UT (#852187-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 4151 with AT 2021baf (Canes Venatici) AT2021baf (Type: AGN) discovered 2021/01/22.151 UT by Gaia Alias: Gaia21aki (Gaia alert came when AGN reached mag +12.2) ( Gaia21aki ) |
NGC 4151, Seyfet Galaxy - 2021-02-02 (T+11.0d) Image below (2021-02-02.156) was taken 11.0 days after discovery of 2021baf Measured magnitude +11.8 (nucleus) |
CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 03:52 UT (#857276-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4151, Seyfet Galaxy - 2021-01-26 (T+3.9d) Image below (2021-01-26.084) was taken 3.9 days after discovery of 2021baf Measured magnitude +11.7 (nucleus) |
CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-26 02:11 UT (#855187-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Negative CCD Image (100% size, square root scale, cropped) Image details as above |
CCD Image (100% size, log scale, cropped) Image details as above |
NGC 4151 - Earlier Image (2021-01-24, T+2.0d) Image below (2021-01-24.175) was taken 2.0 days after reported AGN 2021baf Measured magnitude +11.6 (nucleus) |
CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-24 04:20 UT (#854372-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4151 - Earlier Wider View Image (2021-01-24) with surrounding objects of interest Galaxy NGC 4156, bright star HIP 59295 (mag +8.1) and variable star AZ Cvn |
CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-24 04:20 UT (#854372-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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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 (T+3.6d) NGC 4227 (catalog mag +12.8) with other galaxies in field of view : NGC 4229 (catalog mag +13.3), PGC 39321 (catalog mag +17.0), PGC 213959 (catalog mag +17.2), PGC 2034564 (catalog mag +17.8) PGC 213960 (catalog mag +17.9), PGC 2035101 (catalog mag +18.0) |
Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:17 UT (#857284-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4227 with SN 2021biz - 2021-02-02 (T+3.6d) Image below (2021-02-02.172) was taken 3.6 days after discovery of 2021biz SN shown by white cross hairs. Measured magnitude +16.6 |
Annotated CCD Image (125% size, linear scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:17 UT (#857284-88) 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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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 Other galaxy in same field of view is NGC 4627 (catalog mag +12.0) |
Annotated CCD Image (70% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:39 UT (#857292-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Negative CCD Image (70% size, square root scale, cropped) Image details as above |
NGC 4631 with AT 2021biy - 2021-02-02 (T+3.6d) Image below (2021-02-02.190) was taken 3.6 days after discovery of 2021biy LRN shown by white cross hairs. Measured magnitude +16.6 |
Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-02 04:39 UT (#857292-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 4631 before AT 2021biy - 2015-04-21 Image below (2015-04-21) was taken 2110 days before discovery of LRN 2021biy Position of the later LRN is shown by a white circle. |
Annotated CCD Image (95% size, square root scale, cropped) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-04-21 00:29 h UT (#585105-07) 12" LX200R (at f/10.4) + ST-10XME |
Images of AT 2021biy (NGC 4631) on Transients 2021 Page >> |
NGC 4631 ("Whale Galaxy") - Earlier Image (Apr 2015) |
CCD Image (75% size, cropped) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-04-21 00:29 h UT (#585105-07) 12" LX200R (at f/10.4) + ST-10XME [uncropped, 75% size] |
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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 - 2021-02-01 (T+22.6d) Image below (2021-02-01.772) was taken 22.6 days after discovery of 2021xn SN is shown by white cross hairs. Measured Magnitude +15.2 (magnitude based on WCS link on cropped image using GSC stars) (too many stars for full frame WCS Link using UCAC stars) |
Annotated CCD Image (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 18:40 UT (#857012-16) 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 784 with SN 2021pc Cetus) [ Supernovae 2021 ] SN 2021pc (Type: Ia) discovered 2021/01/07.160 UT by ZTF Magnitude +18.3 at discovery Alias: ZTF21aabpszb, Gaia21adm (Rochester Supernova site | TNS | ) |
UGC 784 with SN 2021pc - 2021-02-01 (T+25.6d) Image below (2021-02-01.786) was taken 25.6 days after discovery of 2021pc SN is shown by white cross hairs. Measured Magnitude +15.8 |
Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 19:02 UT (#857020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2021pc (UGC 784) on Supernovae 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 - 2021-02-01 (T+25.6d) Image below (2021-02-01.829) was taken 25.6 days after discovery of 2021nv SN is shown by white cross hairs. Measured Magnitude +16.3 |
Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:03 UT (#857064-68) 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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UGC 2505 with SN 2021bge (Cetus) SN 2021bge (Type: II) discovered 2021/01/27.517 UT by Koichi Itagaki Alias: ATLAS21dfn, Gaia21aqd Discovery Magnitude 16.8 (Clear Filter) vs Prior Non-Detection in DSS Image Confirmed SN II ( Rochester Supernova site | Discovery Image ) ( TNS 2021bge | Gaia21aqd ) |
UGC 2505 with SN 2021bge - 2021-02-01 (T+5.3d) Image below (2021-02-01.856) was taken 5.3 days after discovery of 2021bge SN is shown by white cross hairs. Measured Magnitude +16.4 |
Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-01 20:41 UT (#857084-88) 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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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 - 2021-02-02 (T+176.9d) Image below (2021-02-02.026) was taken 176.9 days after discovery of 2020rcq SN is shown by white cross hairs. Measured SN magnitude +16.4 |
Annotated CCD Image (100% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-02-02 00:44 UT (#857212-16) 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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This Web Page: | CCD Images - Session 857 (2021-02-01) |
Last Updated : | 2024-06-07 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |