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M81 - Spiral Galaxy in Ursa Major
by Bob and Janice Fera
PlaneWave CDK-20 20" f/6.8 Corrected Dall-Kirkham Cassegrain
PlaneWave Ascension 200HR Mount
SBIG STL-11000 CCD Camera
Unfiltered - 560 minutes
Sub Exposures: 28x20m
Image acquired with CCDAutopilot
Processed in CCDstack and Adobe Photoshop
Taken February 16-18, 2015 from Sierra Remote Observatories, CA