Barnard 33 - The Horsehead Nebula
A classic example of a dark nebula.

  • RA: 5:41
  • Dec: -2:28
  • Size: 6'x4'
  • Magnitude: ---
  • Distance: 1600 ly
  • Constellation: Orion
  • Millennium Star Atlas: Vol. I, p. 253
  • Scope: 12.5" Ritchey-Chretien at f/9
  • Autoguider: none
  • Sky conditions: Excellent seeing, good transparency
  • Film: FLI Dream Machine CCD
  • Exposure: 18x30 seconds L, 7,6,10x60 seconds R,G,B
  • Date: 11-10-01

A rather tricky object to frame due to interference from the intensely bright nearby star Alnitak (zeta Orionis). This is a second try on this object since I've realized that the original version needed more exposure time.


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