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taken on October 22 & 23 and November 2 & 3 2007 from my backyard in Castro Valley, California
Equipment used:
Takahashi FSQ106 530mm f/5 refractor (imaging telescope)
FLI IMG6303E imaging camera operated at -26C
Astro-Physics 80/900mm guidescope
SBIG ST7E guide camera operated at -5C
Astro-Physics AP1200GTO mount
FLI CFW1 filter wheel
Robofocus
Baader Planetarium 7nm 50mm unmounted Halpha filter
21 exposures of 20 minutes
Optec IR-Blocking RGB filters
24 exposures of 5 minutes through Blue and Green filters
18 exposures of 5 minutes through Red filter
12 hours 30 minutes total exposure