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CCD Images - Session 333 (2008-12-11)

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Images (S334)
 
Objects Session Notes
Bullet Astrometric & Photometric Monitoring
- SS Cyg  (dwarf nova)
- W And (mira)
- BL Lac (blazar)
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FO And, RX And, Z And, RU Peg, DY Per, GK Per (variables)
- Ross 248/HH And, 61 Cyg (nearby stars)

Groombridge 34, U And  (failed due to cloud/poor transparency)
- Late evening session  (2.3 hrs). 
- Ambient Temperature -3 degC (minimum), later rising to -2 degC by end of session.
- CCD operation of -30 degC 
(at 70% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 333  (2008-12-11)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site