20424-3031

  • Unique Name: 20424-3031H N 101
  • RA: 20 42 22.51
  • Dec: -30 30 57.2
  • Discoverer: H N
  • Discoverer Number: 101
  • Components:
  • First year: 1834
  • Last year: 1999
  • Observations: 19
  • First position angle: 318
  • Last position angle: 333
  • First separation: 15.0
  • Last separation: 25.5
  • Mag first component: 9.67
  • Mag second component: 9.85
  • Spectral type:
  • Primary proper motion RA: -12
  • Primary proper motion DEC: -42
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -3
  • Durchmusterung: -3018115
  • Notes: NL
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