First Place: Mark Arelt

Trifid Nebula

• September 12, 1999, 2:18 & 3:19 U.T.
• Greene Co., PA. site.
• Digital color/contrast balancing and combination of two slides:
  • 39 min. guided exposure on chilled Ektachrome Elite II 400 ASA/ISO at prime focus of 2500mm S.C.T. at f/5.
  • 30 min. guided exposure on chilled Ektachrome Elite II 400 ASA/ISO at prime focus of 2500mm S.C.T. at f/5 with a nebular filter
• Cold Cam., Roll 20 #s 3 & 4

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