NGC2903 from Stinger 450 Classical Cassegrain and FLI Proline 3200ME unfiltered

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Taken on Feb 28, 2008 from my backyard in Castro Valley, Ca.

 

Stinger 450 Classical Cassegrain (18" f/12.6)  

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

(binned 2x2, image scale = 0.84 arc-sec/pixel at capture)

Finger Lakes PL3200ME imaging camera operated at -45C (First Light)

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

47 exposures of 5 minutes with no filter

3 hours 55 minutes total exposure time

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