21556+2823

  • Unique Name: 21556+2823MLB 577BC
  • RA: 21 55 34.30
  • Dec: +28 23 54.1
  • Discoverer: MLB
  • Discoverer Number: 577
  • Components: BC
  • First year: 1928
  • Last year: 2010
  • Observations: 4
  • First position angle: 25
  • Last position angle: 20
  • First separation: 5.7
  • Last separation: 7.0
  • Mag first component: 11.1
  • Mag second component: 12.6
  • Spectral type:
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -7
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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