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

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Images (S271)
 
Objects Session Notes
Bullet Comet 46P/Wirtanen
Bullet M51 - Spiral Galaxy (Whirlpool Galaxy)
Bullet 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)

Image 
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)
Image Image
    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
      
Image   Image
   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 : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site