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taken on December 25, 2009 from my ranch in the California Gold Country under a first quarter moon
Pentax 6x7 400mm f/4 ED(IF) camera lens used at f/4
Finger Lakes CFW 7 filter wheel
Finger Lakes PDF
Finger Lakes Microline ML8300 camera operated at -25C with RBI annihilator enabled
Custom Scientific 4.5nm emission line filters
Takahashi FCT 76 guide scope with Takahashi rings
SBIG ST7ME guide camera
AP1200GTO mount
11 x 10 minutes Halpha
10 x 10 minutes [OIII]
3.5 hours total exposure (taken in one session)