[NII] = Red, Halpha = Green, [OIII] = Blue
Click image to enlarge, click here for highest resolution
Taken on August 12, 14 and 17, 2006 from my backyard in Castro Valley, C
To
see this image in Ha and [OIII] only click here 
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)
Custom Scientific 3nm FWHM [NII] filter (50mm diameter)
Six exposures of 30 minutes through Halpha filter
Seven exposures of 30 minutes through [NII] filter
four exposures of 30 minutes through [OIII] filter
Eight and a half hours total exposure time