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taken on January 18 and 19, 2008 from my backyard in Castro Valley, Ca
Red = [Halpha
Green = [OIII]
Blue = [OIII] + Hbeta, Hbeta approximated as 0.2* Halpha
Stinger 450 Classical Cassegrain (18" f/12.6)
Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1
(binned 2x2, image scale = 0.84 arc-sec/pixel at capture)
Finger Lakes CM10 MaxCam imaging camera operated at -25C
Robofocus
Finger Lakes CFW1 Filter wheel
SBIG ST7E guide camera
Baader Planetarium Ha filter (50.8 mm diameter)
Baader Planetarium [OIII] filter (50.8mm diameter)
12 exposures of 10 minutes through Halpha filter
18 exposures of 10 minutes through [OIII]
5 hours total exposure time