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adam stuart | all galleries >> Galleries >> nebulae_in_hydrogen_alpha_and_oiii > NGC 6820.jpg
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8-3-09, 8-4-09 adam stuart

NGC 6820.jpg

Miami, FL

NGC 6820

Numerous dark dust lanes make this nebulae region interesting.
Two-panel mosaic, stitched in Astroart 3.0. Adjusted each BKG to same ADU value, and View Range of each panel adjusted to be the same values. Mosaic assembled as "Fade".

SXV-H9,2.75 arc-sec/pixel
Stellarvue Nighthawk at f/6 piggybacked on STV-guided LX200 at 1,575 mm FL. Astronomik 13 nm H-alpha filter, 13 x 800 seconds, unbinned 1x1. Acquired with Astroart 3.0, aligned and registered in AIP4WIN with calibrated darks, bias and flats. Sigma combined in Ray Gralak's pre-beta-11. full exif

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