David's Astronomy Pages CCD Images - Session 834 (2020-11-26)

Images (S833)

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Images (S835)

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Session Notes

C/2020 M3 (Atlas) - Comet     M85 - Elliptical Galaxy with SN 2020nlb     NGC 2782 - Spiral Galaxy with Type Ia Supernova 2020scc NGC 3643 - Spiral Galaxy (SN 2020hvf follow-up) NGC 4559 - Spiral Galaxy with LBV 2016blu     UGC 6667 - Spiral Galaxy (PGC 36343) UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq     Variable Stars (photometric monitoring) - Z And, SY Cnc, SS Cyg, U Gem, RZ LMi, U Mon, CN Ori, FU Ori, NV Ori, GK Per - RR Tau, SU Tau attempts failed due to cloud     Nearby Stars (astrometric monitoring) - HH And, LAMOST-HVS1. CN Leo, Scholz's Star

- All night session (10.4 hours) - Main aims of the session were the acquisition of a selection of deep sky targets, together with some variable star, nearby star and comet targets (if conditions allowed) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -1.5°C (min) - CCD Temperature:  -20°C/-25°C - Notes from 2020-11-26 >>      -

C/2020 M3 (Atlas) - Comet

C/2020 M3 (Atlas) (passing through Taurus) Sun Distance 1.36 AU  (receeding) Earth Distance 0.38 AU (57.1 million km)		C/2020 M3 (Atlas) - 2020-11-27, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -10.21 arcsec/hr, Dec 180.97 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 15s exposure (average combine), 3x3 binning, C Filter 2020-11-27 00:58 UT (#834082-83) 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 2020-11-27 01:00 UT (#834082-96) 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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M85 - Elliptical Galaxy with SN 2020nlb

M85 with SN 2020nlb (Coma Berenices) SN 2020nlb (Type Ia), discovered 2020/06/25.251 by ATLAS  (Rochester Supernova site |  Confirmation Image | R. Spellman Image |  mag ~ 18.5 at discovery )

M85 with SN 2020nlb - 2020-11-27 (T+155.0d) Image (2020-11-27.276) taken 155.0 days after SN discovery.  Measured SN magnitude +16.1

Annotated CCD Image (100% size, square root scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-11-27 06:38 UT (#834226-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020nlb (M85) on Supernovae 2020 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 - Detail, 2020-11-27 (T+98.2d) Image below (2020-11-27.0.122) was taken 98.2 days after discovery of SN 2020scc SN is shown by white cross hairs.  Measured SN magnitude +17.5

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-27 02:56 UT (#834168-72) 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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NGC 3643 - Spiral Galaxy (SN 2020hvf follow-up)

NGC 3643 (Leo) Earlier images of NGC 3643 (May 2020) have shown SN 2020hvf (Type 1a) discovered 2020/04/21.380 by ATLAS  (Rochester Supernova site | Marc Deldman image | Robin Leadbetter image + spectra )

NGC 3643 with SN 2020hvf - 2020-11-27 (T+219.8d) Image below (2020-11-27.146) was taken 219.8 days after discovery of SN 2020hvf Although the previous image of NGC 3643 (taken 2020-11-04.201) had failed to show any remaining indication of SN (image off relativley poor quality) the new image (below) still shows a faint indication of the SN (shown by white cross-hairs).  Estimated magnitude +18.0.

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-27 04:14 UT (#834210-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020hvf (NGC 3643) on Supernovae 2020 Page >>

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NGC 4559 - Spiral Galaxy with LBV 2016blu

NGC 4559 with LBV 2016blu  (Coma Berenices) AT2016blu (LBV) originally discovered 2012/01/11.250 by Lick Observatory Supernova Search  (Rochester Supernova site | 2016blue image sub page | K. Itagaki image Nov 2020 | ) LBV is shown by white cross hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-27 03:19 UT (#834174-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 6667 - Spiral Galaxy (PGC 36343)

UGC 6667 (Ursa Major) Flat Galaxy Atlas Alias: PGC 36343 (catalog mag +14.3)

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-27 04:34 UT (#834216-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 6667 - 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 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq

UGC 6930 with SN 2020rcq (Ursa Major) 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 - Detail, 2020-11-27 (T+110.0d) Image below (2020-11-27.201) was taken 110.0 days after discovery of SN 2020rcq SN is shown by white cross hairs.  Measured SN magnitude +14.9

Annotated CCD Image (100% size, square root scale, cropped) 120s exposure (single frame), 3x3 binning, C Filter 2020-11-27 04:50 UT (#834222) 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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