M81 From AP180EDT and FLI IMG6303E

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Taken May 15, 2006 from my backyard in Castro Valley, California

AP180EDT f/9 imaging scope used at f/9

FLI IMG6303E imaging camera @ -26C

AP80/900mm guidescope

SBIG ST7E guide camera

FLI CFW7 color filter wheel

Finger Lakes Research Grade 50mm Luminance filter

18 exposures of 5 minutes through Luminance Filter

1 hour  30 minutes total exposure time 

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