M1 - The Crab Nebula
Probably the most conspicuous remnant of a supernova and one which was observed by the Chinese in 1054.

  • RA: 5:35
  • Dec: 22:01
  • Size: 6'x4'
  • Magnitude: 8.4
  • Distance: 6300 ly
  • Constellation: Taurus
  • Millennium Star Atlas: Vol. I, p. 158
  • Scope: 12.5" Ritchey-Chretien at f/9
  • Autoguider: ST-4 in faint mode
  • Sky conditions: Excellent transparency, only fair seeing
  • Film: FLI Dream Machine CCD
  • Exposure: 20x7 seconds each (L,R,G,B)
  • Date: 10-28-00

Couldn't find a guide star and ended up doing this one by brute force (many exposures of short duration). It worked surprisingly well.


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