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Taken on Sept 10 and 13, 2007 from my backyard in Castro Valley, California
Red = Halpha
Green = [OIII]
Blue = [OIII] + 0.3* Halpha (to simulate Hbeta)
Stinger
450 Classical Cassegrain (18" f/12.6) 
Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1
Finger Lakes CM10 MaxCam imaging camera operated at -25C
Robofocus
Finger Lakes CFW1 Filter wheel
SBIG ST7E guide camera
Custom Scientific 4.5nm FWHM Ha filter (50mm diameter)
Custom Scientific 4.5nm FWHM [OIII] filter (50mm diameter)
four exposures of 30 minutes through Halpha filter
seven exposures of 30 minutes through [OIII]
five and one half hours total exposure time