21504+1218

  • Unique Name: 21504+1218HJ 286
  • RA: 21 50 20.89
  • Dec: +12 18 50.7
  • Discoverer: HJ
  • Discoverer Number: 286
  • Components:
  • First year: 1825
  • Last year: 2001
  • Observations: 7
  • First position angle: 265
  • Last position angle: 261
  • First separation: 12.0
  • Last separation: 21.5
  • Mag first component: 10.27
  • Mag second component: 13.09
  • Spectral type:
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: -12
  • Durchmusterung: +11 4669
  • Notes:
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