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CCD Images - Session 270 (2008-02-27)

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Images (S271)
 
Objects Session Notes
Comet 46P/Wirtanen
M51 - Spiral Galaxy (Whirlpool Galaxy)
Astrometric & Photometric Monitoring
- SS Cyg, U Gem (dwarf nova)
- U And, W And (mira variables)
- BL Lac (blazar)
- RX And, Z And, KR Aur, AQ CMi, CV CMi, SY Cnc, RZ LMi, U Mon, FU Ori, DY Per, RR Tau, SU Tau, ER UMa  (variables)





- Evening session (5.7hr).  
Temperature +0 to +0.5 degC
- CCD operation of -20 degC 
(at 55% average cooling). 
- main objective was to acquire images of certain selected stars for ongoing photometric, in particular U Gem & RX And. 

Comet 46P/Wirtanen

Comet 46P/Wirtanen  
(passing through starfield in Aries)

 
CCD Image 
2  x 120s exposure (av. combine), 2x2 binning, C Filter
2008-02-27 19:42h UT (#
270035-36

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M51 - Spiral Galaxy (Whirlpool Galaxy)

M51 (Canes Venatici)
    CCD Image (Linear Scale)
5  x 180s exposure (av. combine), 2x2 binning, C Filter
2008-02-27 23:59 UT (#
270263-69)
CCD Image (Log Scale)
Image details as left
      
 
   False Colour CCD Image 
(Square Root Scaling)
Image details as above
CCD Image (Log Scale)
Unsharp Masked
Image details as above-left

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 270  (2008-03-02)
Last Updated : 2008-03-09
Site Owner : David Richards
Home Page : David's Astronomy Web Site