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CCD Images - Session 307 (2008-09-28)

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Objects Session Notes
Bullet GK Per - Variable Star, Nova (1901)
Bullet Astrometric & Photometric Monitoring
- SS Cyg (dwarf nova)
- BL Lac (blazar)
-
RX And, R CrB, CY Lyr, DY Per, GK Per (variables)
- 61 Cyg (nearby star)

- RU Peg attempt failed (due to cloud)

- Short evening session (2.1 hrs), cut short by developing cloud.
- Ambient Temperature 6.5 degC .
- CCD operation of -20 degC 
(at 72% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- a secondary objective, to test revised routine for automated guiding between frames, was not possible due to early termination of the session. 


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GK Per - Variable Star, Nova (1901)

GK Per (Perseus) 
GK Per is star which had a nova eruption in 1901, and 
undergoes occasional minor outbursts since then.
It is reported to have begun a new outburst. 

Images collected in VR filters

GK Per - reference stars

Image 

 Annotated CCD Image 
3 x 30s exposure (average combine), 2x2 binning, V filter,  
2008-09-28 20:44h UT (#
307056-60

  

GK Per - earlier image (2008-09-27)

Image 

Annotated CCD Image 
3 x 30s exposure (average combine), 2x2 binning, C filter,  
2008-09-27 21:41h UT (#306152-58)

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 307  (2008-09-28)
Last Updated : 2018-07-31
Site Owner : David Richards
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