David's Astronomy Pages
CCD Images - Session 313 (2008-10-11)

 Previous Imaging Session
Images
(S312) 		  Home
Images
Sessions 		  Home
Home
Page		   Next Imaging Session
Images (S314) 		 
Objects Session Notes
Bullet SS Cyg - Variable Star (Dwarf Nova, type UGSS)
Bullet DY Per - Variable Star (type RCrB)
Bullet Astrometric & Photometric Monitoring
- SS Cyg  (dwarf nova)
- BL Lac (blazar)
 - GP And, RX And, EV Lac, RU Peg, GK Per (variables)
- Barnards Star, 61 Cyg Ross 248 (HH And), Groombridge 34

Time Series
- EV Lac (run spoiled by developing cloud)

KR Aur, U Gem, FU Ori attempts failed (cloud)
Lalande 21185, Gliese 412 attempts failed (cloud)
- Morning session  (3.0 hrs), operated under semi-automated control, monitored remotely
- Ambient Temperature 8.0 degC (minimum) j
- CCD operation of -20 degC 
(at 84% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- a secondary objective was ...


-

 

SS Cyg - Variable Star (Dwarf Nova, type UGSS)

SS Cyg (Cygnus) 
Image
(Further data on SS Cyg / Cataclysmic Variable Stars page)

Back to Top

DY Per - Variable Star (type RCrB)

DY Per (Perseus) - Photometry data
Image 
  
 Graph showing decline in DY Per over past 5 weeks
Image
(Further data on SS Cyg / Cataclysmic Variable Stars page)

Back to Top

RR Tau

RR Tau (Taurus)
Annotated CCD Image (250% size,cropped)
5 x 120s exposure (average combine), 2x2 binning, C Filter 
2008-10-08 20:52 hUT (#312127-31)
  
 

Back to Top

Astrometric and Photometric Monitoring

Back to Top

This Web Page: CCD Images - Session 313  (2008-10-11)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site