20434+1712

  • Unique Name: 20434+1712J 845
  • RA: 20 43 21.98
  • Dec: +17 12 28.5
  • Discoverer: J
  • Discoverer Number: 845
  • Components:
  • First year: 1912
  • Last year: 2009
  • Observations: 8
  • First position angle: 216
  • Last position angle: 224
  • First separation: 2.9
  • Last separation: 4.0
  • Mag first component: 11.99
  • Mag second component: 12.2
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: -24
  • Secondary proper motion DEC: 0
  • Durchmusterung:
  • Notes:
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