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  • Dave Wagner on 2014-Nov-14 16:51:51 Dave Wagner said

    "Trifid Nebula" (M20). Nebula located in Sagittarius, named for its 3 lobes, contains all 3 types of nebula, reflection, emission, and dark. Nikon D300 mounted on a Celestron EdgeHD 11" SCT with f/6.3 focal reducer. Image processed from 4 minutes sub-exposures (11 exposures). ISO800.