21553+1842

  • Unique Name: 21553+1842HO 173
  • RA: 21 55 17.17
  • Dec: +18 43 11.7
  • Discoverer: HO
  • Discoverer Number: 173
  • Components:
  • First year: 1881
  • Last year: 1991
  • Observations: 14
  • First position angle: 73
  • Last position angle: 82
  • First separation: 1.1
  • Last separation: 0.7
  • Mag first component: 10.34
  • Mag second component: 10.63
  • Spectral type:
  • Primary proper motion RA: 12
  • Primary proper motion DEC: -14
  • Secondary proper motion RA: 12
  • Secondary proper motion DEC: -14
  • Durchmusterung: +18 4888
  • Notes:
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