20589+3931
- Unique Name: 20589+3931SEI1348
- RA: 20 58 57.90
- Dec: +39 31 24.7
- Discoverer: SEI
- Discoverer Number: 1348
- Components:
- First year: 1895
- Last year: 2008
- Observations: 5
- First position angle: 291
- Last position angle: 295
- First separation: 28.6
- Last separation: 26.7
- Mag first component: 12.35
- Mag second component: 13.13
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -5
- Secondary proper motion RA: 14
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: