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LDN 513 and 519 in Serpens

 

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,  24 June 2017  Camera: ST8300M (Baader  LRGB filters)

Exposure: Exposure:  13 x 12 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 to the right in this image.   The main feature in this image is the dark nebula region of LDN 513 and LDN 519. This field  is located right on the edge of the Milky Way galactic disk. The star field is fairly dense and somewhat reddened due to the intervening dust in the galactic disk. In addition to LDN 531 and LDN 519, there are dark nebulae from the TGU and Dobashi catalogs in this field as well. These dark nebulae as well as some of the brighter stars are identified in the annotated image.. Horizontal FOV is 85'

Image center is located approximately - Equatorial 2000: RA: 18h 12m 02s Dec: -0135'46" 

 

All images and content remain the property of Jim Thommes - copyright 2003 - 2017

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