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CCD Images - Session 251 (2008-01-07)

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Objects Session Notes
Bullet UGC 466 - Spiral Galaxy
Bullet 8P/Tuttle - Comet
Bullet 2005 WJ56 - Near Earth Asteroid (NEA) / Minor Planet
Bullet 110P/Hartley - Comet
Bullet Astrometric & Photometric Monitoring
- SS Cyg, RU Peg (dwarf nova)
- BL Lac (Blazar)
- DY Per, M33 var83 (variables)
- Z And, TT Ari, TZ Lyr (variables)

- attempt to image  KR Aur unsuccessful due to cloud

- Evening session (3.9hr),  good conditions to begin, but cloud rapidly covered the entire sky after 3 hours forcing a premature abandonment of the session.  Some software problems 15 minutes into session causing outage for 30-40 mins. 
- CCD operation of -25 degC (at 65% average cooling). 
- main objectives were to acquire images of certain selected stars of ongoing photometric and astrometric analysis, in particular Z And and RU Peg
- opportunity was taken to acquire images of comet 8P/Tuttle, a passing NEA (2005 WJ56) and UGC 466 to compare against earlier images of UGC 466 with SN 2007L acquired approximately one year ago

UGC 466 - Spiral Galaxy

UGC 466 / PGC 2615 (Cetus)

Previous Image of UGC 466
 with SN 2007l  [ SN 2007L] 

Image Image
CCD Image
5 x 120s exposure (average combine), 2x2 binning, C Filter,
2008-01-07 21:09 hUT (#251103-07)
Annotated CCD Image
5 x 120s exposure (average combine), 2x2 binning, C Filter 
2007-01-20 17:49 hUT (#171034-38)

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8P/Tuttle - Comet  

Comet 8P/Tuttle  - passing through starfield in Andromeda

Image
CCD Image 
3 x 30s exposure , 2x2 binning, C Filter
Aligned on comet
2008-01-07 19:56h UT (#251042-50)

   

Comet 8P/Tuttle - colour image

Image
Approximate Colour CCD Image  (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 3 x 60s (B)
2008-01-07 19:56h UT (#251042-53)

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2005 WJ56 - Near Earth Asteroid (NEA) / Minor Planet

2005 WJ56 is a 1.2km  diameter asteroid which is due to pass by the earth on 2008-01-10 at a distance of 10.9 lunar distance (LD). A sequence of images of 2005 WJ56 were recorded as it approaches Earth

2005 WJ56 passing through star field in Auriga
Asteroid appears as a ~ 10 arc sec streak in this 30 sec exposure
Image
CCD Image 
30 sec, 2x2 binning, C Filter
2008-01-07 00:24hUT (#251159)
 
   
2005 WJ56 - showing motion across star field in Auriga
Image
CCD Image Animation 
9 frames (out of original 18 frames)
30 sec exposures, with 35 sec gaps  
  2x2 binning, C Filter
2008-01-07  22:11 to 22:22hUT (#251155-72)
 

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110P/Hartley - Comet

Comet 110P/Hartley  
 (moving through starfield on boundary between Taurus and Auriga)
Sun Distance 2.48  AU
Image
CCD Image, 
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
2008-01-07 22:07h UT (#251150-52)
 
Comet 110P/Hartley  (moving through starfield in Andromeda)
Image
CCD Image, 
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
2007-12-02  06:59h UT (#238159-61)

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 251  (2008-01-07)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site