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to see a widefield tricolor image of the surrounding
region, click
here:
Taken on November 23 and 25, 2005 from my backyard in Castro Valley, California
AP180EDT f/9 imaging scope used at f/6.75
AP 0.75x Telecompressor
FLI IMG6303E imaging camera @ -26C
AP80/900mm guidescope
SBIG ST7E guide camera
FLI CFW7 color filter wheel
6nm FWHM AstroDon Ha 50mm AR-Coated filter
3 exposures of 30 minutes through Ha filter
1.5 hours total exposure time