20301+2509

  • Unique Name: 20301+2509BKO 589
  • RA: 20 30 08.88
  • Dec: +25 08 31.1
  • Discoverer: BKO
  • Discoverer Number: 589
  • Components:
  • First year: 1997
  • Last year: 2008
  • Observations: 4
  • First position angle: 83
  • Last position angle: 85
  • First separation: 5.3
  • Last separation: 5.0
  • Mag first component: 11.1
  • Mag second component: 12.8
  • Spectral type:
  • Primary proper motion RA: 4
  • Primary proper motion DEC: -1
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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