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Sharpless 36 and NGC 6070 in Serpens

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2800x2100)

Scope: FSQ-106N at f/5, Location:  Pine Creek, Laguna Mountains, CA   3/June 2016  Camera: Atik 383 (Astronomik Gen II  LRGB filters)

Exposure: Exposure: 16 x 9 min, (1x1 bin) exposure with UV/IR block,  8 x 4 min (2x2 bin) RGB exposures.

Processing: Data Collection -  Sequence Generator Pro (as FITs).  Calibrated, stacked (Kappa Sigma Combine) Deep Sky Stacker, LRGB channel registration and equalization, rough color calibration and gradient removal - Astroart.  Curves, Levels, RGB combine Images Plus. Luminance layering and finishing  - Photoshop. This image is an LRGB combine with Luminance layering. Final color calibration - eXcalibrator. The Luminance construction was the Luminance exposures. Color saturation in LAB color.    Native image size - 3354x2529.  Final Image size is approximately 2800x2100.

North is up in this image. This field lies within the constellation of Serpens (Head). The nebulous feature toward the right of the image is Sharpless 36. It is also known in Lynds Bright Nebula catalog as LBN 44 and LBN 45 (the two entries seem to be a duplication in that they have identical coordinates - however, they are listed as different sizes). There are a number of background galaxies in this field. The most notable is NGC 6070 in the upper left. Most can't be seen unless you link to the larger image or the annotated image. The upper left also has the Galaxy Group Holmberg 729. These objects , selected background galaxies, and some of the bright stars are identified in the annotated image.  Horizontal FOV is 120'

Image center is approximately - Equatorial 2000: RA: 16h 07m 23s Dec: +0017'12"

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2016 copyright 2003 - 2012

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