20308+3749

  • Unique Name: 20308+3749SEI1147AC
  • RA: 20 30 45.51
  • Dec: +37 48 58.8
  • Discoverer: SEI
  • Discoverer Number: 1147
  • Components: AC
  • First year: 1895
  • Last year: 2002
  • Observations: 4
  • First position angle: 280
  • Last position angle: 285
  • First separation: 18.7
  • Last separation: 14.8
  • Mag first component: 12.25
  • Mag second component: 12.53
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 35
  • Secondary proper motion DEC: 10
  • Durchmusterung:
  • Notes: B
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