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taken on April 10 - 12, 2008 from my backyard in Castro Valley, Ca.
Stinger
450 Classical Cassegrain (18" f/12.6)
Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1
Finger Lakes IMG1024S "Dream Machine imaging camera operated at -37C
Robofocus
Finger Lakes CFW1 Filter wheel
Custom Scientific 4.5 nm AR coated Halpha and [OIII] filters (50mm unmounted)
SBIG ST7E guide camera
39 exposures of 3 minutes with no filter
18 exposures of 10 minutes each through Halpha and [OIII] filter
RGB made using synthesized Hbeta line
7 Hours 57 minutes total exposure time