M1- The Horsehead Nebula in Orion
by Bob and Janice Fera
Planewave CDK17 17" f/6.8 Cassegrain
SBIG STL11000M CCD Camera
Astrodon Filters
LRGB Composite
L:100 R:60 G:60 B:60 minutes
Sub
Exposures: L:5x20m R:6x10m G:6x10m B:6x10m
RGB exposures binned 2x2
Image acquired with CCDAutopilot
Processed in CCDstacK, PIXInsight LE and Adobe Photoshop
Taken December 17, 18, 2009 from Eagle Ridge Observatory, Foresthill, CA