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DWB 192 and LBN 372, 375, 376

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2600x1950)

Scope: Explore Scientific MN152 Maksutov Newtonian at f/4.8, Location: Tierra Del Sol - SDAA Club Site, CA,  22 July 2017  Camera: ST8300M (Baader Ha LRGB filters)

Exposure: Exposure:  12 x 8 min (1x1 bin) exposure with IR/UV Block filter, 12 x 10 min (2x2 bin) exposure with H-Alpha filter, 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, equalization, and gradient removal - Astroart.  Curves, Levels, RGB combine - ImagesPlus. Luminance Layering, final stretch, and finishing  - Photoshop.  RGB calibration - eXcalibrator. This image is a  RGB combine with Luminance layering.  Color saturation in LAB color.  The H-Alpha filter exposure was screen blended into the IR/UV Blocking filter exposure stack and used for the luminance layer. Images processed at 3352 x 2532 resolution. Final Image size is approximately  2600 x 1950.

North is up in this image.   This general region of the sky (Constellation of Cygnus) has significant emission nebula content  Central in this field is the object from the Dickel Wendker, and Bieritz catalog - DWB 192. It is also known as the emission nebulae LBN 372, 375, 376. The region has a general pervasive emission nebulosity. This image shows a small part of the very large Cygnus-X region which we see as a tangential view of the local spiral arm. The image shows the very northeast corner of Cygnus-X; the upper third of this image lies outside of Cygnus-X. There are two other DWB objects in this image. The star field is rich but there are likely a large portion of stars obscured by intergalactic material. There is one dark nebula in this field. These objects and a few bright stars  are identified in the annotated image.  Horizontal FOV is 85'

Image center is located approximately - Equatorial 2000: RA: 20h 36m 36s Dec: +4800'30"

 

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