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Taken on May 21, 2005 from my backyard in Castro Valley, Ca.
Compact Collapsible Cassegrain 18" @f/12.60 (F=5760mm)
IMG6303E camera @-35C
AO7 @ 1.2 Hz
RCOS Dichroic beam splitter
ST7E guide camera
FLI CFW1 Filter wheel
AstroDon 6nm FWHM [SII], Ha and [OIII] filters
3 exposures of 15 minutes through Ha and [SII] filters (binned 2x2)
4 exposures of 15 minutes through [OIII] filter (binned 2x2)
two and one half hours total exposure time
NO FLATS USED