21509+3918

  • Unique Name: 21509+3918MLB 788
  • RA: 21 50 55.55
  • Dec: +39 18 20.4
  • Discoverer: MLB
  • Discoverer Number: 788
  • Components:
  • First year: 1932
  • Last year: 2007
  • Observations: 4
  • First position angle: 54
  • Last position angle: 52
  • First separation: 4.2
  • Last separation: 4.9
  • Mag first component: 10.0
  • Mag second component: 10.1
  • Spectral type:
  • Primary proper motion RA: -20
  • Primary proper motion DEC: -25
  • Secondary proper motion RA: 24
  • Secondary proper motion DEC: -8
  • Durchmusterung:
  • Notes:
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