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Taken on January 8, 2007 from my backyard in Castro Valley, California
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Stinger
450 Classical Cassegrain (18" f/12.6) 
Finger Lakes IMG1024S Dream Machine imaging camera operated at -40C
Dichroic Beam Splitter
AO7 @ 11.7Hz
Robofocus
Finger Lakes CFW1 Filter wheel
SBIG ST7E guide camera
Custom Scientific 3nm FWHM Ha filter (50mm diameter)
5 exposures of 30 minutes through Halpha filter
2.5 hours total exposure time