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CCD Images - Session 203 (2007-08-07)

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Objects Session Notes
Bullet TrES-4 - Parent Star to exosolar planet
Bullet Moon
Bullet Astrometric & Photometric Monitoring
- SS Cyg (Dwarf Nova)
- U Her, U And, W And (Mira variable)
- SU UMa,  EX UMa (cataclysmic  variable)
- BL Lac (Blazar)
- 61 Cyg, Barnards Star, HH And (Nearby Stars)

Attempts also at Z And
- Session duration 3.5 hr
- CCD operation of -20 degC (at 79% average cooling). .
- main objective was to acquire images of selected variable stars and nearby stars for ongoing photometric and astrometric  monitoring, following a summer break.
- Secondary objective was to acquire images of a recently discovered exosolar planet host star TrES-4.
- Opportunity was taken to acquire gallery images of Pl.Neb and a mosaic of Moon..
- More Notes
-

TrES-4 - Parent Star to Exosolar Planet

Baseline images of TrES-4 parent star (GSC 2620:648) were acquired as part of a project to detect the transit of the exosolar planet, that has recently been discussed to orbit this star  (exosolar planet project). [ BBC news article]

TrES-4 Parent Star / GSC 2620:648 (Hercules)
Image
Annotated CCD Image 
3 x 60 sec exposure (average combine), 2x2 binning, C Filter
2007-08-08 01:09h UT (#203194-98)
 
Reference Stars
Image
Annotated CCD Image 
30 sec exposure, 2x2 binning, R Filter
2007-08-08 01:09h UT (#203195)

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Moon

Moon (118% Phase)

Image 

 CCD Image Mosaic (60% size)
0.11s, 2x2 binning, B Filter
Unsharp Masked
2007-08-08 01:17 hUT (#203200-13)
[100% size]

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 203 (2007-08-07)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site