David's Astronomy Pages CCD Images - Session 853 (2021-01-22)

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Session Notes

SN 2021xn - Type Ia Supernova in PGC 6041 AT2021apb - CV Transient AT2021avk - CV Transient 398P/Boattini - Comet Nova Per 2020 - Nova (V1112 Per, AT2020abap) C/2020 M3 (Atlas) - Comet 156P/Russell-LINEAR - Comet NGC 684 - Spiral Galaxy with Type II Supernova 2021ass NGC 2782 - Spiral Galaxy (ARP 215) with Type Ia Supernova 2020scc UGC 4133 - Spiral Galaxy (PGC 22428) UGC 4134 - Spiral Galaxy (PGC 22440) UGCA 290 - Galaxy (PGC 42134) UGCA 239 - Spiral Galaxy (PGC 35678) NGC 2377 - Spiral Galaxy (UGCA 132) UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq UGCA 304 - Spiral Galaxy (PGC 43679) IC 2834 - Elliptical Galaxy, 1.51 Gly KUG 1206+328 - Spiral Galaxy with Type Ia Supernova 2020aeps NGC 4414 - Spiral Galaxy with Type Ia Supernova 2021J NGC 4897 - Spiral Galaxy (UGCA 316) NGC 5331 - Spiral Galaxy with Type Ia Supernova 2020abir NGC 4454 - Spiral Galaxy with Type Ia Supernova 2020abgq PGC 49584 - Galaxy     Variable Stars (photometric monitoring) - RX And, U And, TT Ari, AM CVn, AM Her, SS Her, U Mon, NV Ori, DY Per, GK Per,U Gem, GK Per, RR Tau, ER UMa     Nearby Stars (astrometric monitoring) - Barnards Star, DX Cnc, Groombridge 34, CN Leo, Scholz's Star

- All Night session (12.8 hours) - Main aims of the session were to acquire a selection of variable star, nearby star and comet targets and deep sky targets as conditions allowed. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:-2°C (min) - CCD Temperature:  -25°C - Notes from 2021-01-22 >>      -

SN 2021xn - Type Ia Supernova in PGC 6041

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 - 2021-01-22 (T+12.6d) Image below (2021-01-22.762) was taken 12.6 days after discovery of 2021xn SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 18:26 UT (#853015-19) 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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AT2021apb - CV Transient

AT2021apb (CV)  (Cassiopeia) AT2021apb (Type: CV) discovered 2021/01/15.584 UT by Gaia Alias: Gaia21agx

AT2021apb (CV) - 2021-01-22 (T+7.2d) Image below (2021-01-22.806) was taken 7.2 days after discovery of 2021apb ? Candidate CV is shown by white cross hairs.   Measured magnitude +16.4 vs catalog mag +15.0

CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-22 19:24 UT (#853048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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AT2021avk - CV Transient

AT2021avk (CV) (Perseus) AT2021avk (Type: CV) discovered 2021/01/18.682 UT by XOSS Alias: XM40HT

AT2021avk (CV) - 2021-01-22 (T+4.1d) Image below (2021-01-22.824) was taken 4.1 days after discovery of 2021avk Candidate CV is shown by white cross hairs.  Measured magnitude ?

CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-01-22 19:51 UT (#853069-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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398P/Boattini - Comet

398P/Boattini (passing through Orion) Sun Distance 1.34 AU (receeding) Earth Distance 0.44 AU (66.3 million km) Measured Magnitude +15.4 (coma)		398P/Boattini - 2021-01-22, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 76.84 arcsec/hr, Dec 84.03 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-22 20:01 UT (#853078-79) 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) 7 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-22 20:04 UT (#853078-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 398P/Boattini on Comets 2020 Page >>

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Nova Per 2020 - Nova (V1112 Per, AT2020abap)

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 - 2021-01-22 (T+58.0d) Image below (2021-01-22.856) was taken 58.0 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +13.8

CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-01-22 20:38 UT (#853107-11) 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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C/2020 M3 (Atlas) - Comet

C/2020 M3 (Atlas) (passing through Auriga) Sun Distance 1.80 AU (receeding) Earth Distance 0.97 AU (145.3 million km)		C/2020 M3 (Atlas) - 2021-01-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 33.45 arcsec/hr, Dec 6.74 arcsec/hr)
CCD Image (50% size, square root scale) 15 x 15s exposure (average combine), 3x3 binning, C Filter 2021-01-22 20:51 UT (#853114-28) 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 15s exposure (average combine), 3x3 binning, C Filter 2021-01-22 20:51 UT (#853114-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 M3 (Atlas) on Comets 2020 Page >>

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156P/Russell-LINEAR - Comet

156P/Russell-LINEAR (passing through Triangulum) Sun Distance 1.54 AU  (receeding) Earth Distance 1.02 AU (153.2 million km)		156P/Russell-LINEAR - 2021-01-22  Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 112.36 arcsec/hr, Dec 41.67 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-22 21:02 UT (#853132-33) 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) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-01-22 21:05 UT (#853132-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 156P/Russell-LINEAR on Comets 2020 Page >>

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NGC 684 - Spiral Galaxy with Type II Supernova 2021ass

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 - 2021-01-22 (T+4.7d) Image below (2021-01-22.885) was taken 4.7 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 2021-01-22 21:23 UT (#853142-46) 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 2782 - Spiral Galaxy (ARP 215) with Type Ia Supernova 2020scc

NGC 2782 with SN 2020scc (Lynx) SN 2020scc (Type Ia, z=0.008483) discovered 2020/08/20.915 by Xingming Observatory Sky Survey (XOSS)  ( Rochester Supernova site | Discovery image | )

NGC 2782 with SN 2020scc - 2021-01-22 (T+155.0d) Image below (2021-01-22.915) was taken 155.0 days after discovery of 2020scc SN is shown by white cross hairs.  SN is to faint to get a magnitude measurement, but is still visible

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 22:07 UT (#853169-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020scc (NGC 2782) on Supernovae 2020 Page >>

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UGC 4133 - Spiral Galaxy (PGC 22428)

UGC 4133 (Lynx) Alias: PGC 22428 (cat mag +15.1) Flat Galaxy Atlas [ Flat Galaxies ] Other galaxies in field of view are PGC 22440 / UGC 4134 (catalog mag +15.6), PGC 22427 (catalog mag +16.7)  PGC 22496 (catalog mag +16.7), PGC 2534164 (catalog mag +17.0),

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 22:30 UT (#853178-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4133 - Detail

CCD Image (100% size, square root scale, cropped) Image details as above

Negative CCD Image (100% size, square root scale, cropped) Image details as above

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UGC 4134 - Spiral Galaxy (PGC 22440)

UGC 4134 (Lynx) Alias: PGC 22440 (cat mag +15.6) Flat Galaxy Atlas [ Flat Galaxies ] Other galaxies in field of view are PGC 22428 / UGC 4133 (catalog mag +15.1), PGC 22427 (catalog mag +16.7)  PGC 22496 (catalog mag +16.7), PGC 2534164 (catalog mag +17.0),

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 22:30 UT (#853178-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4134 - Detail

CCD Image (100% size, square root scale, cropped) Image details as above

Negative CCD Image (100% size, square root scale, cropped) Image details as above

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UGCA 290 - Galaxy (PGC 42134)

UGCA 290 (Canes Venatici) Alias: PGC 42134 (catalog mag +15.7) [ UGCA Galaxies ] Bright star in same field of view is HIP 61619 (mag +7.3)

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 23:01 UT (#853191-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 290 - Detail

CCD Image (125% size, square root scale, cropped) Image details as above

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UGCA 239 - Spiral Galaxy (PGC 35678)

UGCA 239 (Ursa Major) Alias: PGC 35678 (catalog mag +15.9) [ UGCA Galaxies ] Other galaxies in field of view are  PGC 2491131 (catalog mag +16.9),   PGC 2491687 (catalog mag +17.9), PGC 2492433 (catalog mag +18.0)

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-22 23:23 UT (#853199-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 239 - Detail

CCD Image (150% size, square root scale, cropped) Image details as above

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NGC 2377 - Spiral Galaxy (UGCA 132)

NGC 2377 (Monoceros) Alias: UGCA 132 (catalog mag +12.8 or +13.6) [ UGCA Galaxies ]

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 00:08 UT (#853214-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2377 - Detail

CCD Image (125% size, square root scale, cropped) Image details as above

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UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq

UGC 5760 w/SN 2020zoq (Leo) SN 2020zoq (Type II, z=0.0, zhost=0.010040) discovered 2020/11/14.561 by ASAS-SN  (Rochester Supernova site | Discovery Image | )

UGC 5760 w/SN 2020zoq - 2021-01-23 (T+69.6d) Image below (2021-01-23.113) was taken 69.6 days after discovery of 2020zoq SN is shown by white cross hairs.  Measured magnitude +16.0 Poor quality image (due to bright sky background and only 2 sub-frames)

CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 02:46 UT (#853260-61) 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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UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq

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 - 2021-01-23 (T+167.0d) Image below (2021-01-23.121) was taken 167.0 days after discovery of 2020rcq SN is shown by white cross hairs.  Measured SN magnitude +16.0 Image affected by bright sky background

Annotated CCD Image (100% size, square root scale, cropped) 4 x 120s exposure (average combine), 3x3 binning, C Filter 2021-01-23 03:00 UT (#853264-68) 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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UGCA 304 - Spiral Galaxy (PGC 43679)

UGCA 304 (Virgo) Alias: PGC 43679 (catalog mag +14.2) [ UGCA Galaxies ]

CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 03:38 UT (#853293-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 304 - Detail

CCD Image (100% size, square root scale, cropped) Image details as above

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IC 2834 - Elliptical Galaxy, 1.51 Gly

IC 2834 (Leo) 1.51 Gyr, z=0.1166 [ Distant Galaxies ]

CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 04:01 UT (#853300-02) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 2834 - Detail

CCD Image (125% size, square root scale, cropped) Image details as above

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KUG 1206+328 - Spiral Galaxy with Type Ia Supernova 2020aeps

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 SN2020aeps - 2021-01-23 (T+24.3d) Other faint galaxies in same field of view PGC 2003911 (catalog mag +17.3), PGC 1999480 (catalog mag +17.8),

CCD Image  (125% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-01-23 04:24 UT (#853309-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KUG 1206+328 with SN2020aeps - 2021-01-23 (T+24.3d) Image below (2021-01-23.179) was taken 24.3 days after discovery of 2020aeps SN is shown by white cross hairs.  Measured magnitude +16.3

CCD Image  (150% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-01-23 04:24 UT (#853309-13) 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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NGC 4414 - Spiral Galaxy with Type Ia Supernova 2021J

NGC 4414 (Coma Berenices) SN 2021J (Type Ia, z=0.0024) discovered 2021/01/01.489 UT by ZTF Alias: ZTF21aaabvit Mag +13.97 at discovery  (Rochester Supernova site | Jean-Claude Merlin image | )

NGC 4414 with SN2021J - 2021-01-23 (T+21.7d) Image below (2021-01-23.190) was taken 21.7 days after discovery of 2021J SN is shown by white cross hairs.  Magnitude ?

Annotated CCD Image  (125% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 04:43 UT (#853316-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021J (NGC 4414) on Supernovae 2021 Page >>

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NGC 4897 - Spiral Galaxy (UGCA 316)

NGC 4897 (Virgo) Alias: UGCA 316 (catalog mag +10.9 or +11.8) [ UGCA Galaxies ]

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 05:05 UT (#853324-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4897 / UGCA 316 - Detail

CCD Image (125% size, square root scale, cropped) Image details as above

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NGC 5331 - Spiral Galaxy (PGC 49266) with Type Ia Supernova 2020abir

NGC 5331 with SN 2020abir (Virgo) SN 2020abir (Type Ia, zhost=0.033056) discovered 2020-12-01.547 UT by ZTF Alias: ZTF20actocyw Mag +17.3 at discovery  (Rochester Supernova site | TNS )

NGC 5331 with SN 2020abir  - 2021-01-23 (T+52.7d) Image below (2021-01-23.221) was taken 52.7 days after discovery of 2020abir SN is too close to galaxy center to be separately resolved. Candidate SN is shown by white cross-hair. Measured Magnitude +14.6 (SN + Galaxy Nucleus) vs Host Galaxy catalog mag +14.1 (NGC 5331) or +15.5 (PGC 49266)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 05:27 UT (#853332-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020abir (NGC 5331) on Supernovae 2020 Page >>

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NGC 4454 - Spiral Galaxy with Type Ia Supernova 2020abgq

NGC 4454 w/SN 2020abgq (Virgo) SN 2020abgq (Type: Ia) discovered 2020-11-30.854 UT by Koichi Itagaki  (Rochester Supernova site | Discovery Image )

NGC 4454 w/SN 2020abgq - 2021-01-23 (T+53.4d) Image below (2021-01-23.236) was taken 53.4 days after discovery of 2020abgq SN is shown by white cross hairs.  Measured magnitude ?

CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 05:50 UT (#853340-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020abgq (NGC 4454) on Supernovae 2020 Page >>

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PGC 49584 - Galaxy

PGC 49584 (Canes Venatici) Ring Galaxy, J.Lowrey List..  [ Ring Galaxies ]  Other galaxy in field of view is PGC 2223039 (catalog mag +18.2)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-23 06:12 UT (#853347-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 49584 - Detail

CCD Image (150% size, square root scale, cropped) Image details as above

Negative CCD Image (150% size, square root scale, cropped) Image details as above

PGC 49584 - Earlier Image (May 2020)

CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-24 23:26 UT (#784012-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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