The Double Cluster in Casseopeia
by Bob and Janice Fera
Stellarvue SV4 4" f/6.4 Refractor with Televue 0.8x Reducer/Flattener
Yankee Robotics Trifid-2 6303E CCD Camera
Astrodon filters
RGB composite - 40:40:40 minutes
Sub-exposures: 5 min, unbinned
Image acquired with CCDAutopilot
Processed in CCDstack, MaxIm/DL (with RC-Astro plug-in), PixInsight LE and Adobe Photoshop
Taken October 14, 2006 from Eagle Ridge Observatory, Foresthill, CA