21308+4827

  • Unique Name: 21308+4827A 770AB,D
  • RA: 21 30 48.00
  • Dec: +48 27 25.4
  • Discoverer: A
  • Discoverer Number: 770
  • Components: AB,D
  • First year: 1900
  • Last year: 2013
  • Observations: 10
  • First position angle: 20
  • Last position angle: 14
  • First separation: 92.0
  • Last separation: 97.5
  • Mag first component: 8.74
  • Mag second component: 10.59
  • Spectral type:
  • Primary proper motion RA: 7
  • Primary proper motion DEC: -140
  • Secondary proper motion RA: -8
  • Secondary proper motion DEC: -18
  • Durchmusterung:
  • Notes: N
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