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LBN 437 in Lacerta

 

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Scope: FSQ-106N at f/5, Location: Laguna Mountains, CA   8 August 2015  Camera: Atik 383L (Astronomik Ha LRGB filters)

Exposure: Exposure:  12 x 6 min (1x1 bin) exposure with IR/UV Block filter, 12 x 10 min (2x2 bin) H-alpha exposures, 8 x 4.5 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 central gradient removal - Astroart.  Curves, Levels, RGB combine - ImagesPlus. Luminance Layering, final stretch, and finishing  - Photoshop. This image is a  RGB combine with Luminance layering.  H-Alpha exposure stack was screen blended into the wide spectrum IR/UV block stack for the Luminance channel; the H-Alpha stack (nebula feature only) was lighten blended into the Red stack for the Red channel. Color saturation in LAB color.  Final Image size is approximately 2800 x 2100

North is up in this image.  Central in this image are the Nebulae LBN 437 (bright nebula) and LBN 428 (emission nebula). LBN 428 is also cataloged as Sharpless 126. These two nebulae overlap each other. The smoky, dusty colored nebula is LBN 437 and the red emission nebula is LBN 428 / Sharpless 126. In addition to these nebulae, there are several noticeable background galaxies at distances estimated by redshift at up to 783 million light years distant from Earth. LBN 437 also has the variable star V0375 Lac and an associated reflection nebula GN 22.32.5. V0375 Lac  is a Herbig Ae/Be star - there is a distance reference in Simbad of  about 2,870 light years; other distance estimates are shorter - down to 1,960 light years . Sharpless 126 is estimated  at about 1,700 light years distant from Earth.These objects , background stars and a few bright stars and identified in the  annotated image.  This image replaces an earlier image in the Archives here.  Horizontal FOV is 116'

Image center is approximately - Equatorial 2000: RA: 22h 33m 38s Dec: +4041'48"

 

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

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