21424+1750

  • Unique Name: 21424+1750BU 691AE
  • RA: 21 42 25.22
  • Dec: +17 50 09.5
  • Discoverer: BU
  • Discoverer Number: 691
  • Components: AE
  • First year: 1900
  • Last year: 2001
  • Observations: 6
  • First position angle: 68
  • Last position angle: 79
  • First separation: 90.3
  • Last separation: 115.4
  • Mag first component: 8.9
  • Mag second component: 12.3
  • Spectral type:
  • Primary proper motion RA: 24
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: 264
  • Secondary proper motion DEC: -112
  • Durchmusterung:
  • Notes: NU
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