M13 - Globular Cluster in Hercules
by Bob and Janice Fera
Parallax Instruments 12.5" f/9 Ritchey Chretien
Yankee Robotics Trifid-2 6303E
Astrodon Filters
LRGB Composite - 180:75:75:75 minute exposures
15-minute sub-exposures, all unbinned
CCDstack, MaxIm/DL with RC-Astro plugin, and Adobe Photoshop
Taken May 18, 28, 29, 2006 from Eagle Ridge Observatory, Foresthill, CA