20391+1550

  • Unique Name: 20391+1550BU 288AB
  • RA: 20 39 04.97
  • Dec: +15 50 17.6
  • Discoverer: BU
  • Discoverer Number: 288
  • Components: AB
  • First year: 1874
  • Last year: 2006
  • Observations: 8
  • First position angle: 180
  • Last position angle: 154
  • First separation: 10.0
  • Last separation: 5.2
  • Mag first component: 5.97
  • Mag second component: 12.4
  • Spectral type: B3V
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -22
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +15 4220
  • Notes: N
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