NGC 7380 in Cepheus



Scope: C8 203mm  at f/4.2,  Location: Laguna Mountains, CA  11 August,  2007,   Camera: Artemis285

Exposure: 8 x 480 sec H-Alpha (1x1), 6 x 120 sec RGB Exposures (1x1). 

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.   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 1040x1392

 North is up in this image. This is a hydrogen emission complex catalogued in the New General Catalog as a cluster as NGC 7380 but it is also catalogued by Sharpless in his catalog as Sh2-142.  This field  is located in the constellation of Cepheus.   This image replaces an earlier image that can be seen in the Archives here .   The Horizontal FOV is 36'.

Image center is located approximately - Equatorial 2000: RA: 22h 47m 32s Dec: +5805'13"


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