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adam stuart | all galleries >> Galleries >> nebulae_in_hydrogen_alpha_and_oiii > ngc1893001_StdDevMean32.jpg
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11-20-04 Adam Stuart

ngc1893001_StdDevMean32.jpg

Miami, FL

Open Star Cluster NGC 1893 and Nebulosity

Starlight Xpress HX916; 2.88 arc-sec/pix
Stellarvue SV 78-S at f/5.8, piggybacked on STV-guided LX200 at 833 mm EFL. Astronomik 13 nm H-alpha filter. 16 x 15 minutes, unbinned 1x1. Acquired with Astroart 3.0, aligned in AIP4WIN, and sigma combined in R. Gralak's pre-beta 11. Noisy image due to object never getting much above 50 degrees elevation to my north, which is bathed in orange sky glow. full exif

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