21508+2308

  • Unique Name: 21508+2308DAM 239
  • RA: 21 50 46.52
  • Dec: +23 08 26.3
  • Discoverer: DAM
  • Discoverer Number: 239
  • Components:
  • First year: 1894
  • Last year: 2001
  • Observations: 4
  • First position angle: 340
  • Last position angle: 329
  • First separation: 8.7
  • Last separation: 9.4
  • Mag first component: 11.0
  • Mag second component: 10.7
  • Spectral type:
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: -10
  • Secondary proper motion DEC: -12
  • Durchmusterung:
  • Notes: