Barnard 11, 12, 13
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ON IMAGE FOR FULL SIZE VIEW (2600x1950) Scope:
FSQ-106N at f/5, Location: Blair Valley, Anza Borrego Desert, CA 14
November 2015
Camera: Atik 383L Exposure:
Exposure: 23 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 and color
equalization - Astroart. Curves, Levels, RGB combine -
ImagesPlus. Luminance Layering, final stretch, and finishing - Photoshop.
This image is a RGB combine with Luminance layering. Color
saturation in LAB color; IR/UV Blocking filter exposure stack was used for the luminance
layer. Final Image size is approximately 2600 x 1950. North is up in this
image. This image shows a region of Dark nebulae. The three main dark
regions in this image are Dark nebulae more generally known as Barnard 11, 12,
and 13.. Other Dark Nebula catalogs include objects in this field. There are ten
objects from the Lynds Dark Nebula catalog and nine objects form the Dobashi
Catalog. There is considerable overlap among these three catalogs. These
objects as well as some of the brighter stars are identified in the annotated
image. Horizontal FOV is 112' Image
center is approximately - Equatorial 2000: RA: 04h 27m 14.7s Dec: +54°50'39"
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