Comet Catalina US10
in the morning sky
December 18, 2015

 
 This
            comet is getting much higer in the sky now, nearly 40 degrees
            up at 5am. The gas tail is getting very faint at this time however,
            and is seen as a nearly featureless ray extending to the upper
            right. The dust tail however is still bright and extends downwards
            forming an anti tail as the tail dust combines with the dust
            in the nearly edge on orbital plane.
 

            


            
 Click
            here for a larger 1290 sized image


            
Field here
            is about 3 degrees wide x 2 tall.


Lens:  Stellarvue SV80s f/6 - AKA "Zeiss APO" - with Televue .8x FR/CC
Platform:  Astrophysics AP1200 
Camera: Hutech Canon XTi at ISO 800
Exposure:  30m RGB (1m x 30)
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing  5/10, Transparency 8/10
Outside Temperature:  33F
Processing Tools:  Maxim DL, Photoshop CS2
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