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Emission Region LBN 208 in Cygnus

 

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Scope: Megrez II  f/5.2 Location: Laguna Mountains, CA   23 August 2008  Camera: Artemis285

Exposure: 10 x 10 min H-Alpha,  8 x 2 min RGB Exposures

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked and dark subtracted in Astroart with Sigma Combine.   H-Alpha  and Color channels were scaled and  color balanced in Astroart.  Channels were co-registered in Astroart.   Luminance construction consisted of the H-Alpha exposure.  Curves and Levels applied in Photoshop to the Luminance construction to optimize object features.  Final LRGB combine was done in Photoshop using Luminance Layering in LAB color Space.   A light background noise reduction was applied in PixInsight LE (SBNR).  A light sharpening was applied to nebula regions.  Final Image size is approximately 1392x1044.

All exposures in this image were guided; North is 45 degrees to upper left in this image.  LBN 208 is a region of nebulosity in the constellation of Cygnus. The nebulosity is hydrogen gas excited to self emission by intense nearby stars. Just below this frame is the well known Crescent Nebula in Cygnus. The Vertical FOV is 75'.

Image center is located approximately - Equatorial 2000: 20h 10m 11s Dec: +3854'04"

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2012

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