18309+3417

  • Unique Name: 18309+3417COU1150Aa,Ab
  • RA: 18 30 54.06
  • Dec: +34 16 30.9
  • Discoverer: COU
  • Discoverer Number: 1150
  • Components: Aa,Ab
  • First year: 1974
  • Last year: 2008
  • Observations: 11
  • First position angle: 336
  • Last position angle: 285
  • First separation: 0.2
  • Last separation: 0.2
  • Mag first component: 9.8
  • Mag second component: 10.1
  • Spectral type: F9V
  • Primary proper motion RA: 12
  • Primary proper motion DEC: 11
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +34 3222
  • Notes: