20478+3057

  • Unique Name: 20478+3057ES 368
  • RA: 20 47 52.01
  • Dec: +30 56 51.4
  • Discoverer: ES
  • Discoverer Number: 368
  • Components:
  • First year: 1906
  • Last year: 2009
  • Observations: 7
  • First position angle: 358
  • Last position angle: 0
  • First separation: 2.9
  • Last separation: 3.1
  • Mag first component: 11.5
  • Mag second component: 11.8
  • Spectral type: A5
  • Primary proper motion RA: 10
  • Primary proper motion DEC: -20
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: 50
  • Durchmusterung: +30 4179
  • Notes: