Double Cluster

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