David's Astronomy Pages CCD Images - Session 885 (2021-04-14)

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Session Notes

7P/Pons-Winnecke - Comet C/2020 T2 (Palomar) - Comet     Nova Per 2020 - Nova (V1112 Per, AT2020abap) Nova Cas 2021 - Nova (V1405 Cas)     IC 863 - Spiral Galaxy with Type IIn Supernova 2021foa IC 992 - Spiral Galaxy with Type Ic Supernova 2021dwg     NGC 3310 - Spiral Galaxy (Herschel IV-60) with SN 2021gmj NGC 4018 - Spiral Galaxy (Part of NGC 4005 Group of Galaxies) NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno NGC 4168 - Elliptical Galaxy NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz NGC 5018 - Elliptical Galaxy with Type Ia Supernova 2021fxy     UGCA 240 - Spiral Galaxy (PGC 35813) UGC 5421 - Spiral Galaxy (PGC 29229) UGC 5760 - Spiral Galaxy with Type II Supernova 2020zoq     VV 807 - Spiral Galaxy with Type AGN Transient AT 2021fbu     Variable Stars (photometric monitoring) - KIC 8462852, BL Lac, CY Lyr, ER UMa     Nearby Stars (astrometric monitoring) - HH And, Barnards Star, 61 Cyg

- Night session (5.6 hours) - Main aims of the session were to acquire a selection of variable star, nearby star and comet targets and deep sky targets as cloud allowed - Poor quality skies - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2°C (min) - CCD Temperature:  -20°C - Notes from 2021-04-14 >>    [ Local Files >> ]   -

Observing Result

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7P/Pons-Winnecke - Comet

7P/Pons-Winnecke - 2021-04-15 (passing through Ophiuchus) Sun Distance 1.33 AU (approaching) Earth Distance 0.69 AU (102.6 million km) Position of comet shown by white circle		7P/Pons-Winnecke - 2021-04-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 126.23 arcsec/hr, Dec -23.33 arcsec/hr) Comet is indicated by white cross-hairs.
Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:52 UT (#885192-93) 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) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:56 UT (#885189-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 7P/Pons-Winnecke on Comets 2021 Page >>

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C/2020 T2 (Palomar) - Comet

C/2020 T2 (Palomar) - 2021-04-15 (passing through Canes Venatici) Sun Distance 2.30 AU (approaching) Earth Distance 1.47 AU (219.8 million km) Comet indicated by white cross-hairs Passing by background galaxies PGC 99765 & PGC 99766		C/2020 T2 (Palomar) - 2021-04-15, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.81 arcsec/hr, Dec -7.56 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:09 UT (#885096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:15 UT (#885096-110) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 T2 (Palomar) on Comets 2021 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 - 2021-04-14 (T+140.1d) Image below (2021-04-14.945) was taken 140.1 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +14.32 (flat)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 90s exposure (average combine), 3x3 binning, C Filter 2021-04-14 22:47 UT (#885041-44) 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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Nova Cas 2021 - Nova (V1405 Cas)

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 - 2021-04-15 (T+27.7d) Image below (2021-04-15.083) was taken 27.7 days after after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +8.10 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50)

CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:02 UT (#885141-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Full size image, 100% size ]

Images of Nova Cas 2021 on Novae Page >>

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IC 863 - Spiral Galaxy with Type IIn Supernova 2021foa

IC 863 with SN 2021foa (Virgo) SN 2021foa (Type: IIn) discovered 2021/03/15.450 UT by ASAS-SN Alias: ASASSN-21dg Discovery Magnitude 15.9 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 17.9  ( Rochester Supernova site | Discovery Image | TNS 2021foa )

IC 863 with SN 2021foa - 2021-04-15 (T+30.6d) Image below (2021-04-15.017) was taken 30.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured Magnitude +15.08 (Clear Filter)

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-15 00:32 UT (#885080-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021foa (IC 863) on Supernovae 2021 Page >>

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IC 992 - Spiral Galaxy with Type Ic Supernova 2021dwg

IC 992 with SN2021dwg (Virgo) SN 2021dwg (Type: Ic) discovered 2021/02/27.420 UT by ZTF Alias: ZTF21aannoix Magnitude +18.44 at discovery  (Rochester Supernova site |  TNS SN 2021dwg | ZTF21aannoix Notes) [ Supernovae 2021 ]

IC 992 with SN 2021dwg - 2021-04-15 (T+46.6d) Image below (2021-04-15.032) was taken 46.6 days after discovery of 2021dwg Position of SN (very faint) is shown by white cross-hairs Estimated Magnitude +18.1 (Clear Filter)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-15 00:55 UT (#885088-92) 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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NGC 3310 - Spiral Galaxy  (Herschel IV-60) with Type II Supernova 2021gmj

NGC 3310 / Herschel IV-60 with SN2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq Discovery Magnitude 15.98 (r-Sloan Filter)  ( Rochester Supernova site |  Gianluca Masi image | TNS 2021gmj )

NGC 3310 with SN 2021gmj - 2021-04-14 (T+25.6d) Image below (2021-04-14.915) was taken 25.6 days after discovery of 2021gmj Position of SN (faint) is indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 22:06 UT (#885024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021gmj (NGC 3310) on Supernovae 2021 Page >>

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NGC 4018 - Spiral Galaxy (Part of NGC 4005 Group of Galaxies)

NGC 4018 (Coma Berenices) Alias: Part of NGC 4005 Group of Galaxies Ast.Now Deep Sky Challenge Object, Apr 2021 [ Deep Sky Challanges (Ast.Now) ]

NGC 4018 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 23:49 UT (#885064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4018 - Detail

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 23:49 UT (#885064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno

NGC 4165 with SN2021gno (Virgo) SN 2021gno (Type: II) discovered 2021/03/20.235 UT by ZTF Alias: ZTF21aaqhhfu Discovery Magnitude 18.20 (r-ZTF Filter)  ( Rochester Supernova site |  Claudio Balcon image | Giancarlo Cortini image | TNS 2021gno )

NGC 4165 with SN 2021gno - 2021-04-14 (T+25.7d) Image below (2021-04-14.956) was taken 25.7 days after discovery of 2021gno Position of SN (faint) is shown by white cross hairs Estimated Magnitude +17.4 (Clear Filter)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 23:05 UT (#885048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021gno (NGC 4165) on Supernovae 2021 Page >>

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NGC 4168 - Elliptical Galaxy

NGC 4168 (Virgo)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 23:05 UT (#885048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4168 - Detail

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

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NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz

NGC 4227 with SN2021biz (Canes Venatici) SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS Alias: ATLAS21dfz Discovery Magnitude 18.33 (orange-ATLAS Filter) ( Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image | TNS 2021biz )

NGC 4227 with SN 2021biz - 2021-04-15 (T+75.5d) Image below (2021-04-15.001) was taken 75.5 days after discovery of 2021biz Position of SN (faint) is shown by white cross hairs.  Measured Magnitude +17.01 (Clear Filter)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-15 00:10 UT (#885072-76) 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 5018 - Elliptical Galaxy with Type Ia Supernova 2021fxy

NGC 5018 with SN 2021fxy (Virgo) SN 2021fxy (Type: Ia) discovered 2021/03/17.725 UT by Koichi Itagaki Discovery Magnitude 16.9 (Clear Filter) vs Prior Non-Detection in DSS Image  ( Rochester Supernova site | Discovery Image | Paolo Campaner image ) ( TNS 2021fxy )

NGC 5018 with SN 2021fxy - 2021-04-14 (T+28.2d) Image below (2021-04-14.972) was taken 28.2 days after discovery of 2021fxy SN is indicated by white cross-hairs.  Measured magnitude + 14.26 (Clear Filter)

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 23:27 UT (#885056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021fxy (NGC 5018) on Supernovae 2021 Page >>

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UGCA 240 - Spiral Galaxy (PGC 35813)

UGCA 240 (Ursa Major) Alias: PGC 35813 (catalog mag +17.9)  [ UGCA Galaxies ]

UGCA 240 - Detail

Annotated CCD Image  (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2021-04-14 22:31 UT (#885036) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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UGC 5421 - Spiral Galaxy (PGC 29229)

UGC 5421 (Ursa Major) Alias: PGC 29229, Mag +17.5 Flat Galaxy Atlas Object  [ Flat Galaxies ]

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 21:21 UT (#885008-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5421 - Detail

Annotated 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 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 - 2021-04-14 (T+151.3d) Image below (2021-04-14.906) was taken 151.3 days after discovery of 2020zoq Position of earlier SN (very faint) is shown by white cross hairs.

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 21:48 UT (#885019-20) 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

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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VV 807 - Spiral Galaxy with Type AGN Transient AT 2021fbu

VV 807 with AT 2021fbu (Hercules) AT 2021fbu (Type: AGN) discovered 2021/03/06.861 UT by Gaia Alias: Gaia21bgd Discovery Magnitude +16.36 (G-Gaia Filter)  (Rochester Supernova site | TNS 2021fbu | Gaia21bgd )

VV 807 - Galaxy  [ Vorontsov-Velyaminov Galaxies ]

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:35 UT (#885114-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

VV 807 - Detail

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

VV 807 with AT 2021fbu - 2021-04-15 (T+39.2d) Image below (2021-04-15.060) was taken 39.2 days after discovery of 2021fbu Position of transient (not separately distinguishable) is shown by white cross hairs.   Measured magnitude +14.99 (nucleus + transient, Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-15 01:35 UT (#885114-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021fbu (in VV 807) on Transients 2021 Page >>

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