Sharpless 2-54 in Halpha from Stinger 450 Classical Cassegrain and CM10

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                  "Scary Face Nebula"

Taken on Sept 18, 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

Custom Scientific 3nm FWHM Ha filter (50mm diameter)

Custom Scientific 3nm FWHM [OIII] filter (50mm diameter)

three exposures of 30 minutes through Halpha filter

One and a half hours total exposure time

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