21580+6722

  • Unique Name: 21580+6722MLB 307BC
  • RA: 21 57 56.12
  • Dec: +67 22 05.4
  • Discoverer: MLB
  • Discoverer Number: 307
  • Components: BC
  • First year: 1923
  • Last year: 2003
  • Observations: 3
  • First position angle: 157
  • Last position angle: 153
  • First separation: 3.9
  • Last separation: 3.1
  • Mag first component: 12.29
  • Mag second component: 12.8
  • Spectral type:
  • Primary proper motion RA: 0
  • Primary proper motion DEC: 8
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -38
  • Durchmusterung:
  • Notes: