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CCD Images - Session 209 (2007-09-02)

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Objects Session Notes
Bullet SZ Her - Eclipsing Binary
Bullet M27 - Planetary Nebula (Dumbbell Nebula)
Bullet Palomar 2 - Globular Cluster
Bullet CCD Assisted Polar Alignment
Bullet Astrometric & Photometric Monitoring
- SS Cyg (Dwarf Nova)
- BL Lac (Blazar)
- U And, W And, U Her (Mira variables)
- Z And, SZ Her (Variable)
- SU UMa (cataclysmic variable)
- Barnard's Star, 61 Cyg, Groombridge 34, HIP 3829, Teegarden's Star (Nearby Stars)
- Session duration 3.2 hr
- CCD operation of -20 degC (at 81% average cooling). 
- main objectives were threefold :- 
i)  acquire images of a few specific variable stars
ii) check improved polar alignment of the telescope.
iii) check the performance/robustness of my camera/telescope control software shell which had just been upgraded from VB.Net/Studio 2001 to VB.Net/Studio 2005 [this was totally successful and no bugs or other problems were noted, apart from a couple of small cosmetic issues without the interface].
- opportunity was taken to acquire images of Palomar 2 and M27 and baseline photometric images of SZ Her.
- More Notes
-

SZ Her - Eclipsing Binary Star

Baseline images

SZ Her  (Hercules)
Image
Annotated CCD Image 
3 x 60 sec exposure (average combine), 2x2 binning, C Filter
2007-09-02 21:28h UT (#209062-68)
 
Reference Stars
Image
Annotated CCD Image 
60 sec exposure, 2x2 binning, V Filter
2007-09-02 21:25h UT (#209063

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M27 - Planetary Nebula (Dumbbell Nebula)

Single 3 minute unguided exposure of M27 taken as an independent check on polar alignment quality. The image shows pinpoint stars, without any obvious sign of star trailing  [ elongation analysis ]

M27 (Vulpecula)
Image
CCD Image 
3 min exposure, 2x2 binning, C Filter
2007-09-02 23:08h UT (#209158)

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Palomar 2 - Globular Cluster

Palomar 2 (Auriga)
(Image effected by cloud/light from moon)
Image
CCD Image 
3 x 2 min exposure (average combine), 2x2 binning, C Filter
2007-09-02 23:15h UT (#209161-63)
 
Palomar 2 - detail
Image
Annotated CCD Image 
200% size, cropped
(image details as above)

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 209 (2007-09-02)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site