LDN 768 in Vulpecula
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CLICK ON IMAGE FOR FULL SIZE VIEW (1800x1338) Scope: Zenithstar 66 mm refractor at f/4.6, Location: Laguna Mountains, CA 27 July 2013 Camera: Artemis285 Exposure:
13 x 6 min (1x1 bin) exposure with UV/IR block, 8 x 3 min (2x2 bin) RGB
exposures.
Processing: Data
Collection - Artemis Capture (as FITs). Calibrated, stacked (Sigma
Combine), LRGB channel registration, equalization, central gradient removal -
Astroart. Curves, Levels, LRGB combine and finishing - Photoshop.
Final color Calibration with eXcalibrator. This image is a straightforward LRGB
combine with Luminance layering. Final Image size is
approximately 1800x1338. North is up in this image.
Lynd's Dark Nebula, LDN 768 is to the left in this image. LDN 769 and LDN 772
are in the upper right. Altogether, they form the dark region across the image.
In the center of the image is a bright star with a surrounding bluish nebulosity
- this is a Lynd's Bright Nebula LBN 134. To LBN134's right is a similar nebulosity
around two stars called LBN 133. Horizontal FOV is 101'
Image center is approximately - Equatorial 2000: RA: 19h 26m 11s Dec: +22°45'26"
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