Sharpless 2-112 ( Sh 2-112 ) in Halpha from Stinger 450 Classical Cassegrain and FLIK Proline 9000 with Baader Planetarium 50 x 50 mm square Halpha Filter

Sharpless 2-112 ( Sh 2-112 ) in Halpha from Stinger 450 Classical Cassegrain and FLI Proline 9000 with Baader Planetarium 50 x 50 mm square Halpha Filter

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Taken on July 12, 2008 from my backyard in Castro Valley, California

Lumicon Giant Easy Guider without Focal reducer for final: F= 5760mm, f/12.6

Finger Lakes Proline PL9000 imaging camera operated at -35C

Robofocus

Finger Lakes CFW4-5 Filter wheel

SBIG ST7E guide camera

Baader Planetarium 7nm FWHM Ha filter (50 x 50 mm squarer)

Custom Scientific 4.5nm FWHM [OIII] filter (50mm diameter)

10 exposures of 20 minutes through Halpha filter

Three hours 20 minutes total exposure time

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