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CCD Images - Session 318 (2008-10-29)

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Images (S319)
 
Objects Session Notes
Bullet Astrometric & Photometric Monitoring
- SS Cyg  (dwarf nova)
- W And (mira variables)
- BL Lac (blazar)
- FO And, RX And, R CrB, CY Lyr, Per DY, Per GK (variables)



- HX attempt (failed due to poor sky conditions)


- Evening session  (2.0 hrs), clouding over towards end of session.
- Ambient Temperature -1.0 degC (minimum)
- CCD operation of -25 degC 
(at 62% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- opportunity taken to collect an updated dark library at -25 degC


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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 318  (2008-10-29)
Last Updated : 2019-08-19
Site Owner : David Richards
Home Page : David's Astronomy Web Site