David's Astronomy Pages CCD Images - Session 818 (2020-10-09)

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Session Notes

Hickson 88 - Galaxy Group (NGC 6978 et al) UGC 12304 - Spiral Galaxy (PGC 70265) NGC 7722 - Spiral Galaxy with Type Ia Supernova 2020ssf UGC 12423 - Spiral Galaxy (PGC 70708) UGC 1178 - Spiral Galaxy (PGC 6189)     Variable Stars (photometric monitoring) - SS Cyg (part), RX And     Nearby Stars (astrometric monitoring) - Groombridge 34

- Evening session (2.8 hours) - Main aims of the session were the testing new PHD2 messaging routines and 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: 3°C (min) - CCD Temperature:  -20°C - Notes from 2020-10-09 >>      -

Hickson 88 - Galaxy Group (NGC 6978 et al)

Hickson 88 (Aquarius) Galaxy Group NGC 6978, NGC 6977, NGC 6976, NGC 6975

Annotated CCD Image  (70% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-10-09 22:01 UT (#818010-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Hickson 88 - Detail

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

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

Hickson 88 - Earlier Image (2018) a) NGC 6978 (catalog mag +14.1), b)  NGC 6977 (catalog mag +13.3), c) NGC 6976 (catalog mag +14.0), d)  PGC 65612 (catalog mag +15.8)

Annotated CCD Image (75% size, cropped) 5 x 180 sec exposure (average combine), 3x3 binning, C Filter 2018-08-19 23:46 UT (#619017-21) 12" LX200R  (at f/10.4) + ST-10XME

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UGC 12304 - Spiral Galaxy (PGC 70265)

UGC 12304 (Pisces) Flat Galaxy Atlas Alias: PGC 70265

Annotated CCD Image  (50% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-10-09 22:22 UT (#818016-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12304 - 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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NGC 7722 - Spiral Galaxy with Type Ia Supernova 2020ssf

NGC 7722 (Pegasus) SN 2020ssf (Type Ia , zhost=0.013350) , TNS discovered 2020/09/06.252 by Zwicky Transient Facility (ZTF)  (Rochester Supernova site | Andre Mantero image | )

NGC 7722 with SN 2020ssf -2020-10-09 (T+33.7d) Image below (2020-10-09.944) was taken 33.7 days after discovery of SN 2020ssf SN is shown by white cross hairs.

Annotated CCD Image (125% size, log scale, cropped) 3 x 120s exposure (average combine), 3x3 binning, C Filter 2020-10-09 22:39 UT (#818022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020ssf (NGC 7722) on Supernovae 2020 Page >>

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UGC 12423 - Spiral Galaxy (PGC 70708)

UGC 12423 (Pisces) Flat Galaxy Atlas Alias: PGC 70708

Annotated CCD Image  (50% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-10-09 23:25 UT (#818031-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12423 - 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 1178 - Spiral Galaxy (PGC 6189)

UGC 1178 (Triangulum) Flat Galaxy Atlas Alias: PGC 6189

Annotated CCD Image  (50% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-10-10 00:00 UT (#818055-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1178 - 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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