20551+2808

  • Unique Name: 20551+2808COU 831
  • RA: 20 55 04.84
  • Dec: +28 07 58.4
  • Discoverer: COU
  • Discoverer Number: 831
  • Components:
  • First year: 1972
  • Last year: 2010
  • Observations: 6
  • First position angle: 292
  • Last position angle: 289
  • First separation: 1.0
  • Last separation: 1.3
  • Mag first component: 10.32
  • Mag second component: 11.96
  • Spectral type: A2
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -11
  • Durchmusterung: +27 3916
  • Notes: