NGC7331 unfiltered from AP180EDT f/9 and U8300

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Taken on September 18 and 19, 2009 from my ranch in the California Gold Country 

Shootout at the "AP Corral"

why the scopes are behind a corral

AP180EDT f/9

Apogee U8300 imaging camera operated at -25C

AP 1200 GTO mount

AP80/900mm guide scope with adjustable rings

SBIG ST7E guide camera

102 x 5 minutes

8 hours 30 minutes total exposure time

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