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M81- Spiral Galaxy in Ursa Major
by Bob and Janice Fera
Planewave CDK17 17" f/6.8 Cassegrain
Apogee U16M CCD Camera
Astrodon Filters
LRGB Composite
L:400 R:120 G:120 B:120 minutes
Sub Exposures: L:20x20m R:6x20m G:6x20m B:6x20m
All exposures unbinned
Image acquired with CCDAutopilot
Processed in CCDstack and Adobe Photoshop
Taken February 5-6, 2016 from Sierra Remote Observatories, CA