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CCD Images - Session 213 (2007-09-16)

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Objects Session Notes
Bullet SS Cyg - dwarf nova
Bullet Astrometric & Photometric Monitoring
- SS Cyg (Dwarf Nova)
- BL Lac (Blazar)
- U Her (Mira variables)
- SZ Her (Variable)
- Short session (1h) - clouds rapidly developing
- CCD operation of -20 degC (at 84% average cooling). 
- main objectives were to acquire images of selected variable stars for ongoing photometry, 
-

SS Cyg - dwarf nova

SS Cyg (Cygnus)
Light variation showing dwarf nova event in late August

Image
  

SS Cyg at minimum

Image 
CCD Image
30s exposure, 2x2 binning, V Filter, Linear brightness scaling
2007-09-16 20:40 hUT (#213011)
 

Earlier image of SS Cyg at maximum

Image 
CCD Image
30s exposure,  2x2 binning, V Filter, Linear brightness scaling
2007-08-23 00:48 hUT (#206216)
[ More images and plots of SS Cyg ]

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 213 (2007-09-16)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site