Stephan's Quintet RGB from Stinger 450 Classical Cassegrain and FLI ML4022 with Optec IR-Blocking RGB filters

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Taken on August 13, 14, 19 and September 4, 10 and 11, 2010 from my ranch in the California Sierra Gold Country

Stinger 450 Classical Cassegrain 450mm f/12.6 used at f/7.3 (3366mm)

Astro-Physics AP1200GTO mount

Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.4

Finger Lakes Microline ML4022  imaging camera operated at -25C


Finger Lakes CFW7 Filter wheel

SBIG ST7E guide camera

Optec IR-Blocking 50mm round filters

60 exposures of 5 minutes Blue

30 exposures of 5 minutes Red

60 exposures of 5 minutes Green 

12 hours 30 minutes total exposure time (RGB)



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