18215+1257

  • Unique Name: 18215+1257OL 173
  • RA: 18 21 29.61
  • Dec: +12 57 02.7
  • Discoverer: OL
  • Discoverer Number: 173
  • Components:
  • First year: 1937
  • Last year: 2005
  • Observations: 7
  • First position angle: 24
  • Last position angle: 23
  • First separation: 1.4
  • Last separation: 1.7
  • Mag first component: 10.45
  • Mag second component: 10.67
  • Spectral type:
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -37
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -37
  • Durchmusterung: +12 3488
  • Notes: