David's Astronomy Pages Images - Session 631 (2018-10-02)

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Session Notes

Hickson 25 - Galaxy Group (PGC 12531 et al) Hickson 28 - Galaxy Group (PGC 15136 et al) Hickson 30 - Galaxy Group (PGC 15620 et al) Hickson 31 - Galaxy Group (NGC 1741 et al)     Photometric Monitoring - Variables    - RX And, U And, CI Cyg, S Cyg, FO Ori, FU Ori, GK Per, V Sge , SU Tau, ER UMa - Failed Attempts:   SY Cnc, RZ LMi, NV Ori       Astrometric Monitoring - Nearby Stars   - Ross 248 (HH And), Teegardens Star   - Failed Attempts   DX Cnc

- Night Session (6.2 hours duration) . Largely clear - Main aim of the session was to take images of a selection of  deep sky objects, variable stars & nearby stars.  - Session was mainly conducted as a fully Automated operation - - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  4°C (minimum)  - CCD Temperature:  -20°C (75% av. power) - Notes from 2018-10-02 >>

Hickson 25 - Galaxy Group (PGC 12531 et al)

Hickson 25 (Cetus)

CCD Image (50% size) 5 x 180 sec exposure (average combine), 3x3 binning, C Filter 2018-10-03 00:16 UT (#631088-92) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Hickson 25 - detail a)   PGC 12531 (catalog mag +14.6), b)  PGC 12539 (catalog mag +15.0) c)  PGC 12533 (catalog mag +16.0),  d)   PGC 12524 (catalog mag +16.2) e)  PGC 12530 (catalog mag +16.2),   f)  PGC 12538 (catalog mag +16.6) g)  PGC 12550 (catalog mag +17.3)

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

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

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Hickson 28 - Galaxy Group (PGC 15136 et al)

Hickson 28 (Eridanus)

CCD Image (50% size) 5 x 180 sec exposure (average combine), 3x3 binning, C Filter 2018-10-03 02:37 UT (#631175-79) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Hickson 28 - detail a)  PGC 15136 (catalog mag +16.1), b)   PGC 15135 (catalog mag +16.5) c)   PGC 15141 (catalog mag +15.9),  d)   PGC 15139 (catalog mag +18.0)

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

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

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Hickson 30 - Galaxy Group (PGC 15620 et al)

Hickson 30 (Eridanus) a) PGC 15620 (catalog mag +13.7), b)  PGC 15631 (catalog mag +14.3), c) PGC 15624 (catalog mag +15.9), d)  PGC 15636 (catalog mag +16.4)

Annotated CCD Image (100% size, cropped) 5 x 180 sec exposure (average combine), 3x3 binning, C Filter 2018-10-03 01:26 UT (#631160-64) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

Hickson 30 - Earlier Image (2018-09-05)

Annotated CCD Image (100% size, cropped) 2 x 180 sec exposure (average combine), 3x3 binning, C Filter 2018-09-05 03:38 UT (#626129-30) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Hickson 31 - Galaxy Group (NGC 1741 et al)

Hickson 31 (Eridanus) (single frame only due to developing cloud)

CCD Image (50% size) 180 sec exposure (single frame), 3x3 binning, C Filter 2018-10-03 02:52 UT (#631182) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Hickson 31 - detail a)  PGC 16573  (catalog mag +13.3),  b)    PGC 16570 (catalog mag +15.2) c)   IC 399  (catalog mag +15.4)

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

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