SH2-112 in Cygnus
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Scope: C8 at f/3.7,  Location: Dos Picos Park, Ramona, CA   15 July,  2007,   Camera: Artemis285

Exposure: 8 x 480 sec H-Alpha (1x1), 8 x 90 sec RGB Exposures (2x2). 

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked in Registax 4 and saved as FITS.  H-Alpha  and Color channels were scaled and  color balanced in Astroart. Central Gradient removal was performed in Astroart. Channels were co-registered in Astroart.   Curves and Levels applied in Photoshop to the Luminance construction to optimize object features. Luminance construction consisted of the H-Alpha exposure. Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB). A light background noise filtering was applied  with PixInsight LE SGBNR. Selective sharpening was applied to nebula features in Photoshop with a layer mask.  Final Image size is approximately 1392x1044.

 North is up in this image. This is a hydrogen emission object catalogued as Sh2-112. It is located in the constellation of Cygnus - a little less than 1-1/2 degree from Deneb on its opposite side from that of the North American Nebula.    The Horizontal FOV is 40'.

Image center is located approximately - Equatorial 2000: RA: 20h 33m 50s Dec: +45°39'41"

 

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