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Barnard 18 in Taurus

 

CLICK ON IMAGE FOR FULL SIZE VIEW (2800 x 2100)

Scope: FSQ-106N at f/5, Location: Blair Valley, Anza Borrego Desert, CA   22 December 2014  Camera: Atik 383L

Exposure: Exposure: 16 x 10 min  (1x1 bin) exposure with UV/IR block,  8 x 4.5 min (2x2 bin) RGB exposures.

Processing: Data Collection -  Artemis Capture (as FITs).  Calibrated, stacked (Kappa Sigma Combine) Deep Sky Stacker, LRGB channel registration, equalization, and central gradient removal - Astroart.  Curves, Levels, RGB combine Images Plus. Luminance layering and finishing  - Photoshop. This image is a  LRGB combine with Luminance layering.  Color saturation in LAB color;    Final Image size is approximately 2800 x 2100.

North is up in this image. This field is the Barnard 18 Region in the constellation of Taurus. Barnard 18 is a large dark nebula that dominates this field.  Parts of Barnard 18 are in other catalogs as well, but notably the central part of the image shows the bright nebula LBN 812 and the dark nebula LDN 1531 embedded in Barnard 18. There is a visible Brown Dwarf  (2MASS J04321786+2422149) in LBN 812. The upper left corner of the image is interesting in that there is a Galaxy Group ([CHM2007] LDC 318) and a small planetary (PN G174.2-14.6) right on the edge of the field. There are also a number of background galaxies  -  These objects are identified in the  annotated image.  This image replaces an earlier image in the Archives here.  Horizontal FOV is 120'.

Image center is approximately - Equatorial 2000: RA: 04h 33m 14s Dec: +2421'36"

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2015 copyright 2003 - 2012

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