Click here for a larger version
M101- 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:280 R:120 G:120 B:120 minutes
Sub Exposures: L:14x20m R:6x20m G:6x20m B:6x20m
All exposures unbinned
Image acquired with CCDAutopilot
Processed in CCDstack and Adobe Photoshop
Taken May 11-12, 2016 from Sierra Remote Observatories, CA