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

Objects Session Notes
Bullet NGC 2830 to NGC 2832 - Galaxy Group (ARP 315)
Bullet Variable Stars
Bullet 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)

Bullet 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 deg C  (minimum)
- CCD operation -2.0 degC (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)

Image

Image
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

Image

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) ]

Image

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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Variable Stars

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