David's Astronomy Pages CCD Images - Session 811 (2020-09-18)

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Session Notes

Abell 347  - Galaxy Cluster (NGC 910 et al) Abell 370 - Galaxy Cluster B110 - Dark Nebula     NGC 910 - Elliptical Galaxy NGC 2782 - Spiral Galaxy with Type Ia Supernova 2020scc NGC 7241 - Spiral Galaxy     UGCA 33 - Spiral Galaxy (PGC 9559)     UGC 6 - Spiral Galaxy (PGC 207) UGC 542 - Spiral Galaxy (PGC 3133) UGC 695 - Dwarf Galaxy, 30 mly UGC 711 - Spiral Galaxy (PGC 4063) UGC 1999 - Spiral Galaxy (PGC 9638) UGC 6930 - Spiral Galaxy with Type Ia Supernova 2020rcq UGC 11964 - Spiral Galaxy (PGC 68420)     Variable Stars (photometric monitoring) - RX And, U And, Z And, SS Cyg, AM Her,CY Lyr, FO Ori, DY Per, GK Per, FG Sge, RR Tau     Nearby Stars (astrometric monitoring) - HH And, 61 Cyg, Groombridge 34

- All night session (8.1 hours total) - Main aims of the session were the acquisition of a selection of deep sky targets, together with some variable star, nearby starand comet targets - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 7.5°C (min) - CCD Temperature:  -10°/-15°C  - Notes from 2020-09-18 >>      -

Abell 347  - Galaxy Cluster (NGC 910 et al)

Abell 347 Galaxy Cluster (Andromeda) NGC 910 et al. Distance 250 mly NGC 910 (catalog mag +12.2), PGC 9180 (catalog mag +15.5),  PGC 212971 (catalog mag +16.7), PGC 9203 (catalog mag +15.1), PGC 2188488 (catalog mag +16.9), PGC 2188914 (catalog +16.5), PGC 2188161 (catalog mag +16.6), PGC 2186399 (catalog mag +17.3), PGC 2186599 (catalog mag +16.0)

Annotated CCD Image (70% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 00:41 UT (#811128-32) 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

Abell 347 Galaxy Cluster - Detail

CCD Image (70% size, square root scale, cropped) Image details as above

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Abell 370 - Galaxy Cluster

Abell 370 (Cetus)

Annotated CCD Image (50% size, square root scale) 8 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 03:12 UT (#811168-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Abell 370 with foreground galaxies PGC 175370 (catalog mag +16.1),  PGC 1116603 (catalog mag +17.1), PGC 1116254 (catalog mag +17.5), PGC 1115693 (catalog mag +17.8), PGC 1115955 (catalog mag +18.3)

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

Abell 370 - Detail

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

Abell 370 - HST Image resized & rotated to match image above

Space Telescope Image (HST) (based on image at https://hubblesite.org/image/4229/gallery )

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B110 - Dark Nebula

B110 (Scutum) Barnards Dark Nebula Near to Ast.Now Deep Sky Challenge B106/B107, Aug 2020) 3 x 3 Mosaic, FOV 43.0 x 29.0 arc min Newly constructed mosaic including new frame (#811049)  that was missing from the original attempt

CCD Mosaic, 3x3  (27% size, linear scale) Frames  60s exposure (single frame), 3x3 binning, C Filter 2020-09-13 21:02 UT (#808022-35)  2020-09-18 21:05 UT (#811049)      12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Larger Image (70% size) ] ( See also Internet - http://www.astrosurf.com/buil/gallery/b110/img.htm )

B110 - Earlier Image 2020-09-13 3 x 3 Mosaic, FOV 44.4 x 29.3 arc min  ( Note : Top right frame is missing from mosaic - it was cancelled to prevent observation from overrunning its time slot )

CCD Mosaic, 3x3  (27% size, linear scale) Frames  60s exposure (single frame), 3x3 binning, C Filter 2020-09-13 21:02 UT (#808022-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Larger Image (70% size) ] ( See also Internet - http://www.astrosurf.com/buil/gallery/b110/img.htm )

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NGC 910 - Elliptical Galaxy

NGC 910 (Andromeda) Part of Abell 347 Galaxy Cluster

CCD Image (150% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 00:41 UT (#811128-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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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 - 2020-09-19 (T+29.2d)

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 02:21 UT (#811155-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2782 with SN 2020scc - Detail, 2020-09-19 (T+29.2d) Image below (2020-09-19.098) was taken 29.2 days after discovery of SN 2020scc SN is shown by white cross hairs.  Measured SN magnitude +15.2

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

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

NGC 2782 - Earlier Image, 2020-04-13 (T-129.0d) Image below (2020-04-13.885) was taken 129.0 days before discovery of SN 2020scc No sign of any object at location of the later supernova.

CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-13 21:15 UT (#767009-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 7241 - Spiral Galaxy

NGC 7241 (Pegasus) NGC 7241 (catalog mag +12.7) with adjacent flat galaxy UGC 11964 / PGC 68420 (catalog mag +15.0)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-18 21:45 UT (#811074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7241 - 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 33 - Spiral Galaxy (PGC 9559)

UGCA 33  (Cetus) Alias : PGC 9559

CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 02:39 UT (#811161-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 33 - Detail

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

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UGC 6 - Spiral Galaxy (PGC 207)

UGC 6 (Pegasus) Ring Galaxy, J.Lowrey List Alias : PGC 207

CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-19 00:20 UT (#811122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 6 - 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

UGC 6 - Earlier Image Poor image, single frame

Annotated CCD Image (100% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2020-08-22 00:27 UT (#798062) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 542 - Spiral Galaxy (PGC 3133)

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UGC 695 - Dwarf Galaxy (PGC 4013), 30 mly

UGC 695 (Cetus) Isolated dwarf galaxy (30 mly).   Alias:   PGC 4013,  LEDA 4013   UGC 695 is a low-surface-brightness (LSB) galaxy which make is pretty faint. These galaxies are so faint that their brightness is less than the background brightness of Earth’s atmosphere, which makes them tricky to observe. This low brightness is the result of the relatively small number of stars within them.

UGC 695 / PGC 4013 (catalog mag +15.3) with adjacent faint galaxies PGC 135624 (catalog mag +17.3), PGC 1183501 (catalog mag +17.6), PGC 1182951 (catalog mag +17.8),  PGC 212662 (catalog mag +18.2)

Annotated CCD Image  (70% size, square root scale, cropped) 6 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-17 00:09 UT (#809007-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 (cf.  Hubble Picture - Hubble Glimpses Faint Galaxy, Sep 2019 )

UGC 695 - Detail

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

UGC 695 - Earlier Image (2020-09-17)

CCD Image  (100% size, square root scale, cropped) 6 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-17 00:09 UT (#809007-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 711 - Spiral Galaxy (PGC 4063)

UGC 711 (Cetus) Flat Galaxy Atlas Alias : PGC 4063 Bright foreground star is GSC 19:146 (magnitude +9.7)

CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-18 23:22 UT (#811092-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 711 - 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

UGC 711 - Earlier Image (2020-09-10) Target poorly defined in image below (single frame, moonlit sky) and needs to be rescheduled for a darker night

CCD Image (100% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2020-09-10 00:32 UT (#807044) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 1999 - Spiral Galaxy (PGC 9638)

UGC 1999 (Aries) Flat Galaxy Atlas Alias : PGC 9638

CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-18 23:42 UT (#811098-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1999 - 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 - 2020-09-18 (T+40.7d)

Annotated CCD Image (50% size, square root scale) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2020-09-18 20:43 UT (#811034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 6930 with SN 2020rcq - Detail, 2020-09-18 (T+40.7d) Image below (2020-09-18.863) was taken 40.7 days after discovery of SN 2020rcq SN is shown by white cross hairs.  Measured SN magnitude +12.9

Annotated 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

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

Images of SN 2020rcq (UGC 6930) on Supernovae 2020 Page >>

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UGC 11964 - Spiral Galaxy (PGC 68420)

UGC 11964 (Pegasus) Flat Galaxy Atlas UGC 11964 / PGC 68420 (catalog mag +15.0)  with adjacent spiral galaxy NGC 7241 (catalog mag +12.7)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-09-18 21:45 UT (#811074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 11964  - 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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