34 hours (34 x 30min [OIII], 34 x 30min Halpha)
Click image to enlarge, click here for highest resolution
Red = Halpha
Green = [OIII]
Blue = [OIII] + 0.25* Halpha (to simulate the Hbeta emission)
Click image to enlarge, click here for highest resolution
Taken on October 23 - 28 and November 11, 14, 18, 19, 21, 23 and 27, 2006 from my backyard in Castro Valley, California
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 -20C
Robofocus
Finger Lakes CFW1 Filter wheel
SBIG ST7E guide camera
Custom Scientific 3nm FWHM Ha filter (50mm diameter)
Custom Scientific 3nm FWHM [OIII] filter (50mm diameter)
34 exposures of 30 minutes through Halpha filter
34 exposures of 30 minutes through [OIII] filter
34 hours total exposure time