IC 5146 - The Cocoon Nebula in Cygnus

Parallax Instruments 12.5" f/9 Ritchey Chretien

Yankee Robotics Trifid-2 6303E

Astrodon Filters

LRGB Composite - 210:100:100:100 minute exposures

Luminance Sub-exposures: 30-minutes, RGB Sub-exposures: 20-minutes, RGB binned 2x2

CCDstack, MaxIm/DL with RC-Astro plugin, PixInsight LE, and Adobe Photoshop

Taken July 27-28, 2006 from Eagle Ridge Observatory, Foresthill, CA