21516+3030

  • Unique Name: 21516+3030MLB 669
  • RA: 21 51 35.73
  • Dec: +30 29 57.9
  • Discoverer: MLB
  • Discoverer Number: 669
  • Components:
  • First year: 1930
  • Last year: 2002
  • Observations: 3
  • First position angle: 309
  • Last position angle: 310
  • First separation: 2.5
  • Last separation: 3.4
  • Mag first component: 9.5
  • Mag second component: 10.5
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: 0
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: