21554+3217

  • Unique Name: 21554+3217J 203
  • RA: 21 55 23.68
  • Dec: +32 17 32.3
  • Discoverer: J
  • Discoverer Number: 203
  • Components:
  • First year: 1902
  • Last year: 2010
  • Observations: 11
  • First position angle: 51
  • Last position angle: 68
  • First separation: 2.3
  • Last separation: 4.2
  • Mag first component: 9.9
  • Mag second component: 10.2
  • Spectral type:
  • Primary proper motion RA: -58
  • Primary proper motion DEC: -20
  • Secondary proper motion RA: 37
  • Secondary proper motion DEC: 15
  • Durchmusterung:
  • Notes:
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