NGC 891 - The Edge On Galaxy in Andromeda
A better known member of a set of galaxies which are edge-on to our line of sight.

  • RA: 2:23
  • Dec: 42:21
  • Size: 13.5' x 2.8'
  • Magnitude: 10.0
  • Distance: 10 million ly
  • Constellation: Andromeda
  • Millennium Star Atlas: Vol. I, p. 101
  • Scope: 12.5" Ritchey-Chretien at f/9
  • Autoguider: ST-4 autoguider in average mode
  • Sky conditions: Superb seeing, moderate transparency
  • Film: FLI Dream Machine CCD
  • Exposure: 10x45 seconds L, 10x(45 seconds R, 10x55 seconds G, 10x68 seconds B)
  • Date: 9-28-00

The first time out at the dark site after finalizing the machining. The air was so stable that I achieved a 0.6 arcsecond RMS guidance during the course of the exposures.


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