17209+2430

  • Unique Name: 17209+2430S 687BC
  • RA: 17 21 07.77
  • Dec: +24 32 02.4
  • Discoverer: S
  • Discoverer Number: 687
  • Components: BC
  • First year: 1894
  • Last year: 2002
  • Observations: 7
  • First position angle: 315
  • Last position angle: 314
  • First separation: 146.1
  • Last separation: 146.5
  • Mag first component: 9.33
  • Mag second component: 12.58
  • Spectral type:
  • Primary proper motion RA: 10
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes: N