21552+5030

  • Unique Name: 21552+5030BLL 56
  • RA: 21 55 13.77
  • Dec: +50 29 49.8
  • Discoverer: BLL
  • Discoverer Number: 56
  • Components:
  • First year: 1876
  • Last year: 2003
  • Observations: 4
  • First position angle: 258
  • Last position angle: 258
  • First separation: 84.1
  • Last separation: 84.3
  • Mag first component: 9.3
  • Mag second component: 11.76
  • Spectral type: R
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -5
  • Durchmusterung: +49 3673
  • Notes: