20521+4438

  • Unique Name: 20521+4438HER 18
  • RA: 20 52 03.78
  • Dec: +44 37 28.9
  • Discoverer: HER
  • Discoverer Number: 18
  • Components:
  • First year: 1960
  • Last year: 2000
  • Observations: 3
  • First position angle: 80
  • Last position angle: 85
  • First separation: 40.0
  • Last separation: 60.7
  • Mag first component: 17.0
  • Mag second component: 17.0
  • Spectral type:
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N
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