M31 in Ha + RGB

Posted by Richard Crisp
on Tuesday, July 21, 2009

taken by Richard Crisp

Date October 22 & 23 and November 2 & 3 2007 from my backyard in Castro Valley, California a light polluted suburb of the San Francisco bay area

Equipment: FSQ106 with FLI IMG6303E + Optec RGB + Baader Halpha filters

Mount: Astro-Physics AP1200GTO

21 x 20 minutes Halpha, 18 x 5 minutes Red, 24 x 5 minutes Blue and Green

11 hours total exposure

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