20218+2517

  • Unique Name: 20218+2517POU4400AC
  • RA: 20 21 44.63
  • Dec: +25 17 24.4
  • Discoverer: POU
  • Discoverer Number: 4400
  • Components: AC
  • First year: 1898
  • Last year: 2009
  • Observations: 5
  • First position angle: 72
  • Last position angle: 73
  • First separation: 17.3
  • Last separation: 17.7
  • Mag first component: 12.4
  • Mag second component: 14.2
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 24
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes: