20478+2519

  • Unique Name: 20478+2519BUP 218AD
  • RA: 20 47 50.27
  • Dec: +25 18 47.7
  • Discoverer: BUP
  • Discoverer Number: 218
  • Components: AD
  • First year: 1891
  • Last year: 2009
  • Observations: 10
  • First position angle: 251
  • Last position angle: 252
  • First separation: 156.1
  • Last separation: 154.7
  • Mag first component: 11.27
  • Mag second component: 10.78
  • Spectral type:
  • Primary proper motion RA: -5
  • Primary proper motion DEC: -32
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: 4
  • Durchmusterung:
  • Notes: