18552+1817

  • Unique Name: 18552+1817J 2931
  • RA: 18 55 17.75
  • Dec: +18 16 07.4
  • Discoverer: J
  • Discoverer Number: 2931
  • Components:
  • First year: 1944
  • Last year: 2001
  • Observations: 3
  • First position angle: 105
  • Last position angle: 140
  • First separation: 3.0
  • Last separation: 5.2
  • Mag first component: 10.0
  • Mag second component: 14.0
  • Spectral type:
  • Primary proper motion RA: -36
  • Primary proper motion DEC: -20
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -66
  • Durchmusterung:
  • Notes: