David's Astronomy Pages Images - Session 446 (2011-01-17)

Images (S445)

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Images (S447)

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Session Notes

NGC 2830 to NGC 2832 - Galaxy Group (ARP 315)     Photometric Monitoring - Variables - RX And, U And, W And, Z And, TT Ari, CV_CMi,  SY Cnc, S Cyg, SS Cyg, BL Lac, SZ Lyn, CN Ori, CZ Ori, FO Ori, FU Ori, NV Ori, DY Per, GK Per, ER UMa, SU UMa - KR Aur attempt (failed due to cloud), FS Aur attempt (failed due to cloud/too short exp)     Astrometric Monitoring - Nearby Stars - Ross 248 (HH And) , Groombridge 34, Teegardens Star

- Evening  session (3.5 hrs). - Session operated under semi-automated control, with remote monitoring from indoors computer.  - Ambient Temperature: -2.0°C  (minimum) - CCD operation -2.0°C (at 55% average cooling).   - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis. - Session attempted the evening before (2011-01-16) but abandoned due to gusty wind.

NGC 2830 to NGC 2832 - Galaxy Group (ARP 315)

NGC 2830 to NGC 2832 / ARP 315 (Lynx)
CCD Image (150% size, cropped) 120s sec exposure (single frame), 3x3 binning, C Filter 2011-01-17 22:25 h UT (#446196) 12" LX200R  (at f/9.7) + ST-10XME		Negative CCD Image (150% size, cropped) Image details as left
NGC 2832 and neighboring galaxies - wider view Part of Abell 779 Galaxy Cluster
Annotated CCD Image (75% size) 120s sec exposure (single frame), 3x3 binning, C Filter 2011-01-17 22:25 h UT (#446196) 12" LX200R  (at f/9.7) + ST-10XME  [ negative image ]
Earlier Image of NGC 2832 and neighboring galaxies - 2006-02-03 [ NGC 2832 (catalog mag +12.8), NGC 2825 (catalog mag +15.3), NGC 2829 (catalog mag +16.0), NGC 2831 (catalog mag +14.4),  NGC 2830 (catalog mag +15.2), NGC 2834 (catalog mag +14.5), PGC 139185 (catalog mag +16.2), PGC 2036350 (catalog mag +16.1) ]
Annotated CCD Image 3 x 2 min exposure (average combine), 2x2 binning, C Filter  2006-02-03 00:23h UT (#113041-43)

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