North
American and Pelican Nebulae
The
North American and Pelican Nebulae in Cygnus
by
Bob and Janice Fera
ASA
N8 8" f/3.8 Newtonian Astrograph
Yankee
Robotics Trifid-2 6303E CCD Camera
Astrodon
Filters
2-frame
Mosaic
HaRGB
Composite: 160:80:80:80 minutes, each frame
Sub-exposures:
Ha-8x20m, RGB-8x10m each frame
Image
acquired with CCDAutopilot
Processed
in CCDstack, MaxIm/DL (with RC-Astro plug-in) and Adobe Photoshop
Taken
July 2,3,11,13, 2007 from Eagle Ridge Observatory, Foresthill,
CA
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