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CCD Images - Session 267 (2008-02-22)

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Images (S268)
 
Objects Session Notes
Bullet SU Tau - RCB variable star
Bullet Moon
Bullet Astrometric & Photometric Monitoring
- U Gem (dwarf nova)
- RX And, Z And, AQ CMi, CV CMi, SY Cnc, U Mon, FU Ori, DY Per, , RR Tau  (variables)

- Attempts at RZ LMi, KR Aur unsuccessful due to cloud



- Late evening session (2.9hr).  
Temperature 2.5 degC
- CCD operation of -20 degC 
(at 59% average cooling). 
- main objective was to acquire images of certain selected stars for ongoing photometric, in particular U Gem and to check out my camera/telescope control software which I had just converted from VB Studio Express 2005 to VB Studio Express 2008. 

SU Tau - RCB variable star

SU Tau  (Taurus)
RCB variable star with catalog range +9.1 (V) to +16.9 (V)
Image
  Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter
2008-02-22 22:59h UT (#267050-56)
  
 SU Tau - Reference Stars
Image
 Annotated CCD Image
90s exposure, 2x2 binning, V Filter
2008-02-22 22:56h UT (#267051)

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 Moon

Moon (NE)
Image
  CCD Image (75% scale)
0.11s exposure, 1x1 binning, C Filter
2008-02-23 00:54h UT (#267142)
  
 Moon - Unsuccessful Mosaic Attempt
Variable frame brighness caused by varying haze/thin cloud layer
Image
 CCD Image Mosaic (15% scale)
0.2s exposure, 1x1 binning, C Filter

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 267  (2008-02-22)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site