NGC 6946 - Spiral Galaxy in Cepheus
by Bob and Janice Fera
Parallax Instruments 12.5" f/9 Ritchey Chretien
Yankee Robotics Trifid II 6303 CCD Camera
Astrodon LRGB filters
LRGB composite (180,60,60,60 min)
Sub-exposures: 20 min
Processed in CCDops, MaxIm/DL (with RC-Astro plug-in), Gralak Sigma, AIP4WIN, PixInsight LE and Adobe Photoshop
Taken August 5 and 10, 2005 from Eagle Ridge Observatory, Foresthill, CA