Click image to enlarge, click here for highest resolution
Red= halpha
Green = [OIII]
Blue = [OIII] + 0.2*Halpha ( to simulate Hbeta emission)
Taken on August 2, 8 and 10, 2006 from my backyard in Castro Valley, Ca
Stinger
450 Classical Cassegrain (18" f/12.6) 
To see in Halpha only click here:
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)
Fifteen exposures of 30 minutes through Halpha filter
Seven exposures of 30 minutes through [OIII] filter
Eleven hours total exposure time