Comet C/2013 R1 Lovejoy





11 x 120s

  Screen shot  from SkyMap Pro 10 .  


  Scope:  Takahashi E160 f/3.3    
  Camera: SBIG STF-8300M    
  Image:  11 x 120 s   Processing in   ImagesPlus and Photoshop;   AA 5.0 for  Camera Control and Isophotes
  Filters: None
  Conditions: Skyglow from Chicago    
  Mount:  AP-1200 GTO    


Relative motion 6.2 arc seconds per second.  Tail ~ 35 arc seconds; probably much longer




False Color  


Negative  The long tail  is better visualized as a negative.  The diagonal stripes are trailed stars left over from aligning on the head







Orbital parameters courtesy of 


Light Curve courtesy of Seiichi Yoshida.   


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