20521+3657

  • Unique Name: 20521+3657SEI1285
  • RA: 20 52 07.58
  • Dec: +36 56 16.4
  • Discoverer: SEI
  • Discoverer Number: 1285
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 8
  • First position angle: 302
  • Last position angle: 301
  • First separation: 27.2
  • Last separation: 27.6
  • Mag first component: 11.78
  • Mag second component: 11.87
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes: