18517+4323

  • Unique Name: 18517+4323BU 421AB,C
  • RA: 18 51 44.38
  • Dec: +43 23 29.8
  • Discoverer: BU
  • Discoverer Number: 421
  • Components: AB,C
  • First year: 1893
  • Last year: 2004
  • Observations: 14
  • First position angle: 231
  • Last position angle: 227
  • First separation: 39.1
  • Last separation: 42.5
  • Mag first component: 9.8
  • Mag second component: 9.61
  • Spectral type: F8
  • Primary proper motion RA: 11
  • Primary proper motion DEC: 48
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: 10
  • Durchmusterung: +43 3103
  • Notes: