SH2-119 in Cygnus



Scope: Vivitar 180 mm(FL) SLR  at f/4.0,  Location: Dos Picos Park, Ramona, CA   4 August,  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.  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). Color adjustment made to correct the color shift created by Luminance application. 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 1392x1040.

 North is to the right in this image. This is a hydrogen emission complex catalogued as Sh2-119.  This field  is located in the constellation of Cygnus - about 3-1/2 degrees from The North American Nebula (center) on its opposite side from that of The bright star Deneb.    The Horizontal FOV is 180'.

Image center is located approximately - Equatorial 2000: RA: 21h 18m 27s Dec: +4356'45"


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