Alnitak Area:

The Horsehead Nebula (IC434) & Flame Nebula (NGC2024)

HaRGB Image

(9.3 hrs total exposure; Ha 4.3 hrs - 13x20 min binned 1x1; RGB 5.0hrs - R 13x10 min, G 12x5 min, B 11x10 min, all binned 2x2; November 2010)