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LBN 777, Barnard 207 in Taurus

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2600x1950)

Scope: Explore Scientific MN152 Maksutov Newtonian at f/4.8, Location: DAA Observatory, Shelter Valley, CA,  18 November 2017  Camera: ST8300M (Baader LRGB filters)

Exposure: Exposure:  16 x 10 min (1x1 bin) exposure with IR/UV Block 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 IR/UV Blocking filter exposure stack was used for the luminance layer. Images processed at 3352 x 2532 resolution. Final Image size is approximately  2600 x 1950.

North is down in this image.   Bright Nebulae LBN 777 and LBN 775 are the featured catalog items in this image. LBN 777 is also known as the Vulture Nebula due to its shape and appearance. The back of the vulture's head" is the dark nebula Barnard 207. It is also cataloged (approximately) as LDN 1491, Dobashi 4288, and TGU H1144. Barnard 207 is a mild star forming region and was the subject of a 2017 paper discussing the proto star IRAS 04016+2610. This proto star is barely noticeable in the large image - its location is shown in the annotated image. One of several conclusions of this paper is that Barnard 207 is comprised of larger than usual dust particles. This image also has some notable background galaxies (UGC 2931, 2946, 2961, and PGC 014374).  These objects  as well as some bright stars are identified in the annotated image..  Horizontal FOV is approximately 85'

Image center is located approximately - Equatorial 2000: RA: 04h 04m 35.0s Dec: +2620'00"

 

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