David's Astronomy Pages Images - Session 591 (2015-10-31)

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Images (S592)

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Session Notes

8 Lac - Binary Star     NGC 750 / NGC 751 - Spiral Galaxy Pair NGC 1156 - Irregular Galaxy NGC 2253 - Spiral Galaxy NGC 2366 - Irregular Galaxy (M81 Galaxy Group) NGC 3077 - Spiral Galaxy (M81 Galaxy Group)     UGC 402 - Spiral Galaxy (PGC 2366)     Photometric Monitoring - Variables   - FO And, RX And, U And, W And, Z And, TT Ari, R CrB, CI Cyg, S Cyg, SS Cyg, U Her, BL Lac, DY Per, GK Per, FG Sge, U Sge, V Sge, WZ Sge, EU UMa     Astrometric Monitoring - Nearby Stars   - Ross 248 (HH And), Barnards Star, Groombridge 34 , EV Lac, Teegardens Star

- Late night session (5.8 hrs duration) - Session operated under semi-automated control, with remote monitoring from indoors computer.   - Ambient Temperature:  temperature gradually falling from 10°C to minimum of 3°C (minimum) by end of session - CCD operation -20°C (at 63% average cooling).  - Planned objectives of the session were to monitor selected variable stars & nearby stars and acquire images of selected gallery objects. -

8 Lac - Binary Star

8 Lac (Lacerta)

CCD Image (50% size) 3 x 5s exposure (average combine), 3x3 binning, C Filter 2015-10-31 22:21 h UT (#591227-29) 12" LX200R  (at f/10.4) + ST-10XME

8 Lac - Detail

Annotated CCD Image (cropped) 5 x 2s exposure (average combine), 2x2 binning, C Filter 2015-10-31 22:22 h UT (#591230-34) 12" LX200R  (at f/10.4) + ST-10XME

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NGC 750 / NGC 751 - Spiral Galaxy Pair

NGC 750 / NGC 751 (Triangulum) bright star to lower left is the mag +9.1 star SAO 55145

CCD Image (50% size) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-10-31 20:14 h UT (#591147-52) 12" LX200R  (at f/10.4) + ST-10XME

NGC 750 / NGC 751 - Detail

CCD Image (100% size, uncropped) Image details as above

NGC 750 / NGC 751 - Earlier Image (2006-01-03)

False Colour CCD Image (cropped)  5 x 2 min (median combine), clear filter (1x1 binning) 2006-01-03 22:29h UT (#109180-84) 8" LX200 + ST-7E

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NGC 1156 - Irregular Galaxy

NGC 1156 (Aries)

CCD Image (100% size, cropped) 4 x 90s exposure (average combine), 3x3 binning, C Filter 2015-10-31 21:48 h UT (#591266-71) 12" LX200R  (at f/10.4) + ST-10XME

NGC 1156 - Wider View

CCD Image (50% size, uncropped) Image details as above

NGC 1156 - Earlier Image (2006-01-02)

CCD Image  2 x 120s (average combine), clear filter 2006-01-02 00:49h UT (#108111-12) 8" LX200 + ST-7E

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NGC 2253 - Spiral Galaxy

NGC 2253 (Camelopardalis)

CCD Image (50% size) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-10-31 23:41 h UT (#591355-59) 12" LX200R  (at f/10.4) + ST-10XME

NGC 2253 - Detail

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

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NGC 2366 - Irregular Galaxy (M81 Galaxy Group)

NGC 2366 (Camelopardalis)

CCD Image (Linear Scale, 50% size) 9x 90s exposure (average combine), 3x3 binning, C Filter 2015-10-31 23:25 h UT (#591344-52) 12" LX200R  (at f/10.4) + ST-10XME

NGC 2366 - detail

CCD Image (cropped) Image details as above

NGC 2366 - Earlier Image (2013-10-12)

CCD Image (cropped) 7 x 120 sec exposure (average combine), 3x3 binning, C Filter 2013-10-12 19:04hUT (#548001-07) 12" LX200R  (at f/9.7) + ST-10XME

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NGC 3077 - Spiral Galaxy (M81 Galaxy Group)

NGC 3077 (Ursa Major) Note: the bright star to upper right of the galaxy is HIP 49230 (mag +7.9) NGC 3077 lies at distance of 13 million light years

CCD Image (50% size) 4 x 90s exposure (average combine), 3x3 binning, C Filter 2015-10-31 21:48 h UT (#591266-71) 12" LX200R  (at f/10.4) + ST-10XME

NGC 3077 - Detail

CCD Image (100% size, log-scale, cropped) Image details as above

False Colour CCD Image  (100% size, logscale, cropped) False Colour, Inverse Spectrum Image details as above

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UGC 402 - Spiral Galaxy (PGC 2366)

UGC 402 / PGC 2366 (Pisces)

CCD Image (50% size) 90s exposure (single frame), 3x3 binning, C Filter 2015-10-31 20:35 h UT (#591168) 12" LX200R  (at f/10.4) + ST-10XME

UGC 402 / PGC 2366 and adjacent galaxies UGC 402/PGC 2366 catalog mag +14.5, PGC 2384 catalog mag +16.8 PGC 212562 catalog mag +17.1, PGC 212563 catalog mag ??

Annotated CCD Image (50% size) Image details as above

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