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Observing Log for Mike Durkin
          
4/28/2013 about 2:30AM-4:00AM 
Locust Valley, NY 
Transparency: 7/10, Seeing 3/5 
Temperature: about 40-50 degrees 
Equipment: Hutech modified Canon Rebel XT, AstroTrac 
 
Imaged comet PANSTARRS C/2011 L4, which was pretty low to the horizon, about 20 degrees. 
 
 
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Average combined 
Camera: Hutech modified Canon Rebel XT 
Lens: 75-300mm at 300mm, f/5.6 
ISO: 800 
Exposure: 66x30 seconds 
Tracking with AstroTrac 
Processed in Photoshop and MaxDSLR 
 
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Median combined 
Camera: Hutech modified Canon Rebel XT 
Lens: 75-300mm at 300mm, f/5.6 
ISO: 800 
Exposure: 66x30 seconds 
Tracking with AstroTrac 
Processed in Photoshop and MaxDSLR 
 
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4/27/2013 about 3:00AM-5:30AM 
Locust Valley, NY 
Transparency: 6/10, Seeing 2/5 
Temperature: about 40-50 degrees 
Equipment: Hutech modified Canon Rebel XT 
 
DSLR photometry of R Lyr, P Cyg, and XY Lyr.  There was a mearly full moon out wnd
there also seemed to be a slight haze around everything. 
 
 
 
4/6/2013 about 9:00PM-11:00PM 
Locust Valley, NY 
Transparency: 7/10, Seeing 3/5 
Temperature: about 40-50 degrees 
Equipment: Hutech modified Canon Rebel XT 
 
DSLR photometry of ε Aur, η Gem, and RS Cnc.  There were a lot of cars coming and going,
so I shut down early. 
 
 
 
  
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