20578+3321

  • Unique Name: 20578+3321TDT2661
  • RA: 20 57 50.09
  • Dec: +33 21 28.5
  • Discoverer: TDT
  • Discoverer Number: 2661
  • Components:
  • First year: 1991
  • Last year: 1991
  • Observations: 1
  • First position angle: 225
  • Last position angle: 225
  • First separation: 0.8
  • Last separation: 0.8
  • Mag first component: 11.73
  • Mag second component: 11.85
  • Spectral type:
  • Primary proper motion RA: 23
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: 23
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: