20317+2520

  • Unique Name: 20317+2520POU4571
  • RA: 20 31 43.58
  • Dec: +25 19 43.8
  • Discoverer: POU
  • Discoverer Number: 4571
  • Components:
  • First year: 1898
  • Last year: 2008
  • Observations: 2
  • First position angle: 37
  • Last position angle: 15
  • First separation: 6.2
  • Last separation: 4.8
  • Mag first component: 10.54
  • Mag second component: 12.5
  • Spectral type:
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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