M100 - Spiral Galaxy in Coma Berenices
by Bob and Janice Fera
Parallax Instruments 12.5" f/9 Ritchey Chretien
Yankee Robotics Trifid-2 6303E
Astrodon Filters
LRGB Composite - 180:60:60:60 minute exposures
20-minute sub-exposures, RGB binned 2x2
CCDstack, MaxIm/DL with RC-Astro plugin, PixInsight LE and Adobe Photoshop
Taken April 26-29, 2006 from Eagle Ridge Observatory, Foresthill, CA