NGC
7331
NGC
7331 - Spiral Galaxy in Pegasus
by
Bob and Janice Fera
Parallax
Instruments 12.5" f/9 Ritchey Chretien
SBIG
ST-10XE CCD Camera
Astrodon
LRGB filters
LRGB
composite (180,120,120,120 min)
Sub-exposures:
L-30 min, RGB-20 min
Processed
in MaxIm/DL (with RC-Astro plug-in), Gralak Sigma, AIP4WIN, PixInsight
LE and Adobe Photoshop
Taken
August 25, 26, 27, 2005 from Eagle Ridge Observatory, Foresthill,
CA
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