Sharpless 2-54 in Halpha from Stinger 450 Classical Cassegrain and FLI IMG1024S Dream Machine

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Taken on August 9,  2007 from my backyard in Castro Valley, Ca.


Stinger 450 Classical Cassegrain (18" f/12.6)  


Finger Lakes IMG1024S Dream Machine  imaging camera operated at -30C

Lumicon Giant Easy Guider with Focal Reducer

SBIG ST7E guide camera


Finger Lakes CFW1 Filter wheel

Custom Scientific 4.5nm FWHM Ha filter (50mm diameter)

4 exposures of 20 minutes through Halpha filter

1 hour 20min total exposure time

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