20509+1953

  • Unique Name: 20509+1953UC 255
  • RA: 20 50 53.66
  • Dec: +19 52 44.5
  • Discoverer: UC
  • Discoverer Number: 255
  • Components:
  • First year: 1999
  • Last year: 2001
  • Observations: 2
  • First position angle: 263
  • Last position angle: 263
  • First separation: 12.0
  • Last separation: 11.9
  • Mag first component: 13.83
  • Mag second component: 14.89
  • Spectral type:
  • Primary proper motion RA: 8
  • Primary proper motion DEC: -133
  • Secondary proper motion RA: 13
  • Secondary proper motion DEC: -133
  • Durchmusterung:
  • Notes: V