17 x 20minutes exposure
17 x 20minutes exposure
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11 x 20minutes exposure
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6 x 20minutes exposure
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3 x 20minutes exposure
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Taken on November 20 - 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
17 exposures of 20 minutes through Ha filter
5 hours 40 minutes total exposure time