20307+2657

  • Unique Name: 20307+2657OPI 25AC
  • RA: 20 30 46.95
  • Dec: +26 57 34.6
  • Discoverer: OPI
  • Discoverer Number: 25
  • Components: AC
  • First year: 1924
  • Last year: 2012
  • Observations: 4
  • First position angle: 314
  • Last position angle: 325
  • First separation: 25.4
  • Last separation: 27.2
  • Mag first component: 10.03
  • Mag second component: 12.5
  • Spectral type: G5
  • Primary proper motion RA: -36
  • Primary proper motion DEC: -43
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: 0
  • Durchmusterung:
  • Notes: