NGC
4656 and NGC 4631
NGC
4656 and NGC 4631
by
Bob and Janice Fera
ASA
N8 8" f/3.8 Newtonian Astrograph
Yankee
Robotics Trifid-2 6303E CCD Camera
Astrodon
Filters
LRGB
Composite: 180:60:60:60 minutes
Sub-exposures:
15 min, all 1x1
Image
acquired with CCDAutopilot
Processed
in CCDstack, MaxIm/DL (with RC-Astro plug-in) and Adobe Photoshop
Taken
May 16-17, 2007 from Eagle Ridge Observatory, Foresthill, CA
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