20305+3540

  • Unique Name: 20305+3540SEI1142
  • RA: 20 30 28.65
  • Dec: +35 39 54.4
  • Discoverer: SEI
  • Discoverer Number: 1142
  • Components:
  • First year: 1896
  • Last year: 2005
  • Observations: 9
  • First position angle: 77
  • Last position angle: 78
  • First separation: 22.2
  • Last separation: 21.7
  • Mag first component: 10.43
  • Mag second component: 9.69
  • Spectral type:
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -10
  • Durchmusterung: +35 4145
  • Notes: