David's Astronomy Pages
CCD Images - Session 321 (2008-11-07)

Previous Imaging Session
Images
(S320)
  Home
Images
Sessions
  Home
Home
Page
  Next Imaging Session
Images (S322)
 
Objects Session Notes
Bullet Astrometric & Photometric Monitoring
- SS Cyg  (dwarf nova)
- BL Lac (blazar)
- Z And, R CrB, CY Lyr, DY Per, GK Per, U Sge,  WZ Sge (variables)



- U And, U Her, V Sge attempts (failed due to cloud)


- Early evening session  (2.1 hrs).
- Ambient Temperature 8 degC (minimum), climbing to 9 degC by end of session
- CCD operation of -20 degC 
(at 85% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 


-

 


Astrometric and Photometric Monitoring

Back to Top


This Web Page: CCD Images - Session 321  (2008-11-07)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site