20311+2455

  • Unique Name: 20311+2455POU4550
  • RA: 20 31 02.97
  • Dec: +24 55 39.7
  • Discoverer: POU
  • Discoverer Number: 4550
  • Components:
  • First year: 1899
  • Last year: 2001
  • Observations: 3
  • First position angle: 292
  • Last position angle: 285
  • First separation: 14.8
  • Last separation: 14.1
  • Mag first component: 11.68
  • Mag second component: 13.2
  • Spectral type:
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: -12
  • Durchmusterung:
  • Notes:
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