The Trifid Nebula (M20) by George Greaney;    Digital composite of three 40-minute exposures at f/7 on hypered 35mm Kodak PPF400.   Three original 35mm negatives were scanned at 2700 dpi using a Polaroid Sprintscan Plus.  They were then merged using Picture Window 2.0.  The resulting composite image was digitally enhanced in Photoshop 5.0.

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