18509+2058

  • Unique Name: 18509+2058COU 317AC
  • RA: 18 50 55.84
  • Dec: +20 57 51.3
  • Discoverer: COU
  • Discoverer Number: 317
  • Components: AC
  • First year: 1968
  • Last year: 2010
  • Observations: 7
  • First position angle: 181
  • Last position angle: 184
  • First separation: 17.1
  • Last separation: 17.2
  • Mag first component: 10.83
  • Mag second component: 10.88
  • Spectral type: A0
  • Primary proper motion RA: -4
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes: