21584+6930

  • Unique Name: 21584+6930MLB 308BC
  • RA: 21 58 28.71
  • Dec: +69 29 24.1
  • Discoverer: MLB
  • Discoverer Number: 308
  • Components: BC
  • First year: 1898
  • Last year: 2007
  • Observations: 4
  • First position angle: 88
  • Last position angle: 97
  • First separation: 5.5
  • Last separation: 4.9
  • Mag first component: 12.5
  • Mag second component: 12.7
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: 5
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: