21308+4752

  • Unique Name: 21308+4752A 769
  • RA: 21 30 46.22
  • Dec: +47 51 43.8
  • Discoverer: A
  • Discoverer Number: 769
  • Components:
  • First year: 1904
  • Last year: 2008
  • Observations: 18
  • First position angle: 284
  • Last position angle: 291
  • First separation: 0.7
  • Last separation: 0.7
  • Mag first component: 9.17
  • Mag second component: 9.23
  • Spectral type: A2
  • Primary proper motion RA: 4
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: -1
  • Durchmusterung: +47 3437
  • Notes:
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