M101 - Spiral Galaxy in Ursa Major
by Bob and Janice Fera
ASA N8 8" f/3.8 Newtonian Astrograph
Yankee Robotics Trifid-2 6303E CCD Camera
Astrodon Filters
LRGB Composite: 90:60:60:60 minutes
Sub-exposures: 15 min, all 1x1
Image acquired with CCDAutopilot
Processed in CCDstack, MaxIm/DL (with RC-Astro plug-in), PixInsight LE and Adobe Photoshop
Taken May 9-10, 2007 from Eagle Ridge Observatory, Foresthill, CA