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Shot in my backyard in Castro Valley, Ca on October 31, 2004
Compact Collapsible Cassegrain 18" @f/12.60 (F=5760mm)
IMG6303E camera @-35C
AO7 @ 6Hz
RCOS Dichroic beam splitter
ST7E guide camera
FLI CFW1 Filter wheel
Schuler 9nm Halpha filter
5 exposures of 20 minutes through Schuler Ha filter (binned 2x2)