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CCD Images - Session 200 (2007-05-25)

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Objects Session Notes
Bullet Moon
Bullet NGC 4644 - Spiral Galaxy with SN 2007cm
Bullet Comet C/2006 VZ13 (LINEAR)
Bullet Palomar Globular 5 - Globular Cluster
Bullet M11 - Open Cluster ("Wild Duck Cluster")
Bullet Astrometric & Photometric Monitoring
- SS Cyg (Dwarf Nova)
- And Z, AM CVn (variables)
- BL Lac (Blazar)

Attempt also at Groombridge 1618, Gliese 412, Lalande 21185
(Nearby Stars) - but images too poor to use 
- 200th CCD Session 
(1st session was 5.7 years ago)
- Session duration 3.6 hr
- CCD operation of -20 degC (at 59% average cooling). .
- main objective was to acquire images of selected variable stars and nearby stars for photometric and astrometric  monitoring.

in the event sky conditions were too poor for using images for astrometric monitoring
- opportunity was taken to acquire a mosaic image of the Moon, a faint comet (C/2006 VZ13), and a gallery images of M11 
- More Notes
-

Moon

Moon (70% phase)

Image
 CCD Image Mosaic (30% size)
0.11 sec exposure, 1x1 binning, B Filter, 
Unsharp Mask Sharpened 
2007-05-25 23:43h UT (#200009-20)
[larger image, 60% size]

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NGC 4644 - Spiral Galaxy with SN 2007cm

NGC 4644 (Ursa Major)
with Supernova SN 2007cm
also PGC 42725, PGC 2816018

[ SN 2007cm discovered 2007/05/24.024 by Wolfgang Kloehr 
Reference Image | Discovery Image ]

Image
 CCD Image
3 x 180 sec exposure (average combine), 
2x2 binning, C Filter 
2007-05-26 00:32h UT (#200030-32)
 
  NGC 4644 - negative
Image
 CCD Image, negative
(image details as above)

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Comet C/2006 VZ13 (LINEAR)

Comet C/2006 VZ13 (passing through starfield in Andromeda)

Image
 CCD Image
3 x 120 sec exposure (average combine), 2x2 binning, C Filter, 
2007-05-26 01:07h UT (#200073-75)

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Palomar Globular 5 - Globular Cluster

Palomar Globular 5 (Serpens Caput)
Extremely Faint, Catalog diameter 6.7 arc mins
(I call it "The Emperor's Clothes Cluster")

Image
 CCD Image
5 x 60 sec exposure (average combine), 
2x2 binning, C Filter, 
2007-05-20 01:15h UT (#200078-82)

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M11 - Open Cluster ("Wild Duck Cluster")

M11 (Scutum)

Image
 CCD Image Mosaic, 3x4, (50% size)
30 sec exposure, 2x2 binning, C Filter
Cropped
2007-05-20 01:15h UT (#200083-94)
[larger image, 70% size]

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 200 (2007-05-25)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site