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CCD Images - Session 492 (2011-12-23)

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 (S493)
 
Objects Session Notes
Bullet Variable Stars
Bullet Photometric Monitoring - Variables
- Z And, BL Lac, CY Lyr, FG Sge, U Sge, V Sge, WZ Sge, RR Tau

RX And CI Cyg, SS Cyg, DY Per Attempts (failed due to wind)

Bullet Astrometric Monitoring - Nearby Stars
 None 
- Evening session (2.7 hrs), windy at start and end of session
- Session operated under semi-automated control, with remote monitoring from indoors computer.   
- Ambient Temperature: Falling to -0.5 deg C (minimum) before climbing to +0.5 degC
- CCD operation -30 degC (at 70% average cooling).  
- main objective of the session was to acquire images of selected project stars for ongoing photometric analysis 
-

Variable Stars

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This Web Page: CCD Images - Session 492 (2011-12-23)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site