NGC 2174 and NGC 2175 in Orion
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Scope: Megrez II at f/5.2,  Location: Blair Valley, Anza Borrego Desert, CA   23 December 2006,   Camera: Artemis285

Exposure: 8 x 300 sec H-Alpha (1x1), 6 x 120 sec RGB Exposures (2x2). 

Processing: Images were captured  with Artemis Capture (as FITs).  Aligned/stacked in Registax 3 and saved as FITS. Luminance,  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 optimize object features. Luminance construction consisted of the H-Alpha exposure. Final LRGB combine was done in Photoshop using Luminance Layering (or LLRGB) - G2V calibration factors were applied.  PixInsight SGBNR  noise reduction was lightly applied to the background . Selective sharpening was applied to nebula features in Photoshop with a layer mask.  Final Image size is approximately 1392x1040.

 North is up in this image. There is a hard to visualize star cluster in the lower portion of the nebula known as NGC 2175 . NGC 2175 is about 850 light years distant from Earth. The surrounding emission nebula is cataloged as NGC 2174.  These object are located in the constellation of Orion. This image replaces and earlier image that can be seen in the Archives here . The Horizontal FOV is 74'.

Image center is located approximately - Equatorial 2000: RA: 06h 09m 39s Dec: +2029'15"

 

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