21309+7020

  • Unique Name: 21309+7020CSR 2AB
  • RA: 21 30 52.00
  • Dec: +70 20 17.4
  • Discoverer: CSR
  • Discoverer Number: 2
  • Components: AB
  • First year: 1894
  • Last year: 2009
  • Observations: 7
  • First position angle: 71
  • Last position angle: 69
  • First separation: 12.4
  • Last separation: 12.5
  • Mag first component: 10.7
  • Mag second component: 11.04
  • Spectral type:
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -7
  • Durchmusterung:
  • Notes:
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