20580+3918
- Unique Name: 20580+3918SEI1338AC
- RA: 20 58 05.52
- Dec: +39 18 28.4
- Discoverer: SEI
- Discoverer Number: 1338
- Components: AC
- First year: 1895
- Last year: 2008
- Observations: 10
- First position angle: 279
- Last position angle: 277
- First separation: 31.7
- Last separation: 33.0
- Mag first component: 10.91
- Mag second component: 10.75
- Spectral type:
- Primary proper motion RA: 14
- Primary proper motion DEC: 1
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: