20203+3920
- Unique Name: 20203+3920SEI1090
- RA: 20 20 17.45
- Dec: +39 20 21.7
- Discoverer: SEI
- Discoverer Number: 1090
- Components:
- First year: 1892
- Last year: 2008
- Observations: 10
- First position angle: 172
- Last position angle: 156
- First separation: 14.7
- Last separation: 13.4
- Mag first component: 9.43
- Mag second component: 10.6
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -5
- Secondary proper motion RA: 25
- Secondary proper motion DEC: 12
- Durchmusterung: +38 4024
- Notes: