NGC7331 from Stinger 450 Classical Cassegrain and FLI CM10 Maxcam

Sept 23

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Sept 24

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Taken on  September 23 & Sept 24, 2006 from my backyard in Castro Valley, California

Stinger 450 Classical Cassegrain (18" f/12.6)    

Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1

Finger Lakes CM10 MaxCam imaging camera operated at -20C

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

Fourteen exposures of 20 minutes: no filter used (Sept 23)

Four hours and 40 minutes total exposure time (Sept 23)

Twelve exposures of 20 minutes: no filter used (Sept 24)

Four hours total exposure time (Sept 24)

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