David's Astronomy Pages CCD Images - Session 798 (2020-08-21)

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Images (S799)

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Session Notes

NGC 7625 - Spiral Galaxy (ARP 212) UGC 12281 - Spiral Galaxy (PGC 70175) SHK 361 - Faint Galaxy Group (PGC 1538596 et al) PGC 1540510 - Spiral Galaxy UGC 6 - Spiral Galaxy (PGC 207)     Variable Stars (photometric monitoring) - V Sge     Nearby Stars (astrometric monitoring) - None - 61 Cyg attempt failed due to cloud

- All Night Session (4.0 hours total).  - Main aims of the session was a further test of new observatory mode 'AutoStart' and acquisition of images of a selection of targets if conditions allowed.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 12°C (min) - CCD Temperature:  -10°C  - Notes from 2020-08-21 >> - Notes from Observing Attempt 2020-08-20 >>

NGC 7625 - Spiral Galaxy (ARP 212)

NGC 7625 / ARP 212 (Pegasus) Arp Perculiar Galaxy Bright star with blooming on left of image is HIP 115288 (mag +6.7)

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-08-21 23:21 UT (#798033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7625 / ARP 212 - detail

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

NGC 7625 / ARP 212 - detail

Negative image showing traces of the "narrow chaotic absorption tubes"  across one end" (bottom end) as mentioned in Arp's notes.

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

NGC 7625 / ARP 212 - Earlier Image (2020-07-27)

Negative image showing traces of the "narrow chaotic absorption tubes"  across one end" (bottom end) as mentioned in Arp's notes.

Negative CCD Image (150% size, square root scale, cropped)  180s exposure (single frame), 3x3 binning, C Filter 2020-07-27 01:10 UT (#796167) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 12281 - Spiral Galaxy (PGC 70175)

UGC 12281 (Pegasus) Flat Galaxy Atlas Alias : PGC 70175

CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-08-21 23:50 UT (#798049-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12281  - 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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SHK 361 - Faint Galaxy Group (PGC 1538596 et al)

SHK 361 - (Pegasus) Shakhbazian Group  PGC 1538596 (catalog mag +16.5), PGC 97459 (catalog mag +17.0) PGC 1539366 (catalog mag +17.4),  PGC 1539107 (catalog mag +17.6),  PGC 3090431  (catalog mag +17.6), PGC 1538689 ( catalog mag +17.9)

Annotated CCD Image (125% size , square root scale, cropped)  5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-08-22 00:11 UT (#798055-59) 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

SHK 361 - Earlier Image (2020-07-27)

Negative CCD Image (125% size, square root scale, cropped)  2 x 180s exposure (average combine), 3x3 binning, C Filter 2020-07-27 00:51 UT (#796160-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SHK 361 - Earlier Wider View (2020-07-27) SHK 361 (PGC 1538596 et al) with adjacent galaxies PGC 1540666 (catalog mag +16.3), PGC 1540751 (catalog mag +17.3),  PGC 1540510  (catalog mag +17.3), PGC 1536639 (catalog mag +17.9), PGC 1536924 (catalog mag +18.4)

Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2020-07-27 00:51 UT (#796160-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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PGC 1540510 - Spiral Galaxy

PGC 1540510 (Pegasus) Close to SHK 361

Annotated CCD Image (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-08-22 00:11 UT (#798055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 1540510 - detail PGC 1539107 (catalog mag +17.6)

Annotated CCD Image (150% 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

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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