Sharpless 2-112 (SH2-112) in Halpha

6 x 30 minutes @f/9

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6 x 20 minutes @f/6.75

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3 x 20 minutes @f/6.75

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4 x 20 minutes @f/6.75

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3x20 min [SII] + 4 x20min Ha @f/6.75

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Taken on November 14 and 22, 2005 from my backyard in Castro Valley, California (f/6.75 images)

Also taken on December 4 - 6, 8, 2005 from my backyard in Castro Valley, California (F/9 image)

AP180EDT f/9 imaging scope used at f/6.75 and at f/9

AP 0.75x Telecompressor (used with 20 minute subexposures)

FLI IMG6303E imaging camera @ -26C

AP80/900mm guidescope

SBIG ST7E guide camera

FLI CFW7 color filter wheel

6nm FWHM AstroDon Ha 50mm AR-Coated filter

6 exposures of 30minutes through Ha filter @ f/9 (top image)

6 exposures of 20 minutes through Ha filter @f/6.75 (second image)

3 hours total exposure time

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