20421+5013

  • Unique Name: 20421+5013ES 91AB
  • RA: 20 42 03.97
  • Dec: +50 13 49.1
  • Discoverer: ES
  • Discoverer Number: 91
  • Components: AB
  • First year: 1901
  • Last year: 2003
  • Observations: 9
  • First position angle: 188
  • Last position angle: 189
  • First separation: 4.4
  • Last separation: 4.5
  • Mag first component: 11.54
  • Mag second component: 11.7
  • Spectral type:
  • Primary proper motion RA: 1
  • Primary proper motion DEC: 80
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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