David's Astronomy Pages Images - Session 452 (2011-02-01)

Images (S451)

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Images (S453)

Objects	Session Notes
NGC 7320 - Galaxy Cluster (Stephan's Quintet)     Photometric Monitoring - Variables - FO And, RX And, TT Ari, FS Aug, KR Aur, CV_CMi,  SY Cnc, AM CVn, RS CVn, SS Cyg, U Gem, AM Her, BL Lac, RZ LMi, SZ Lyn, U Mon, CN Ori, CZ Ori, FO Ori, FU Ori, NV Ori, GK Per, RR Tau, SU Tau, ER UMa, SU UMa      Astrometric Monitoring - Nearby Stars - Ross 248 (HH And), Groombridge 34, EV Lac , Wolf 359, DX Cnc	- Evening  session (3.5 hrs). - Session operated under semi-automated control, with remote monitoring from indoors computer.  - Ambient Temperature: 0.0°C  (minimum) - CCD operation -30°C (at 71% average cooling).   - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis.

NGC 7320 - Galaxy Cluster (Stephan's Quintet)

NGC 7320 / Stephan's Quintet (Andromeda)

CCD Image (50% size) 7 x 90 sec exposure (average combine),  3x3 binning, C Filter 2011-01-29 19:28 h UT  (#451035-41) 12" LX200R  (at f/9.7) + ST-10XME

Stephan's Quintet - detail

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

NGC 7319 - detail NGC 7319 lies at centre of image.  The infamous  'in front' quasar is not visible.

CCD Image (250% size, cropped) Image details as above

NGC 7320 - Earlier Image (2007-08-22)

CCD Image (Linear Scale) 5 x 120 sec exposure (average combine), 2x2 binning, C Filter 2007-08-22  23:41 h UT (#206153-57) 8" LX200 Classic + ST-7E

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