20391+3543
- Unique Name: 20391+3543SEI1205
- RA: 20 39 03.47
- Dec: +35 43 08.2
- Discoverer: SEI
- Discoverer Number: 1205
- Components:
- First year: 1896
- Last year: 2002
- Observations: 7
- First position angle: 69
- Last position angle: 73
- First separation: 24.8
- Last separation: 20.9
- Mag first component: 11.76
- Mag second component: 12.28
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: 0
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -32
- Durchmusterung:
- Notes: