18217+2356

  • Unique Name: 18217+2356COU 418
  • RA: 18 21 44.75
  • Dec: +23 55 49.9
  • Discoverer: COU
  • Discoverer Number: 418
  • Components:
  • First year: 1969
  • Last year: 1996
  • Observations: 14
  • First position angle: 234
  • Last position angle: 262
  • First separation: 0.2
  • Last separation: 0.2
  • Mag first component: 9.63
  • Mag second component: 9.89
  • Spectral type: F8
  • Primary proper motion RA: 1
  • Primary proper motion DEC: 12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +23 3312
  • Notes: