21118+3931

  • Unique Name: 21118+3931ES 1992
  • RA: 21 11 47.55
  • Dec: +39 30 42.2
  • Discoverer: ES
  • Discoverer Number: 1992
  • Components:
  • First year: 1922
  • Last year: 2011
  • Observations: 3
  • First position angle: 205
  • Last position angle: 207
  • First separation: 3.3
  • Last separation: 3.2
  • Mag first component: 10.9
  • Mag second component: 13.4
  • Spectral type:
  • Primary proper motion RA: -12
  • Primary proper motion DEC: -10
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +38 4383
  • Notes:
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