21420+2951

  • Unique Name: 21420+2951MLB 720
  • RA: 21 41 59.22
  • Dec: +29 51 24.2
  • Discoverer: MLB
  • Discoverer Number: 720
  • Components:
  • First year: 1931
  • Last year: 2011
  • Observations: 4
  • First position angle: 148
  • Last position angle: 139
  • First separation: 7.4
  • Last separation: 7.3
  • Mag first component: 10.0
  • Mag second component: 11.2
  • Spectral type:
  • Primary proper motion RA: 15
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: 22
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes:
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