21307+3107

  • Unique Name: 21307+3107J 2351
  • RA: 21 30 17.04
  • Dec: +31 08 14.5
  • Discoverer: J
  • Discoverer Number: 2351
  • Components:
  • First year: 1942
  • Last year: 2007
  • Observations: 4
  • First position angle: 350
  • Last position angle: 347
  • First separation: 5.0
  • Last separation: 4.7
  • Mag first component: 10.0
  • Mag second component: 12.5
  • Spectral type:
  • Primary proper motion RA: 8
  • Primary proper motion DEC: -14
  • Secondary proper motion RA: -15
  • Secondary proper motion DEC: 20
  • Durchmusterung:
  • Notes: