20343+4520
- Unique Name: 20343+4520ES 804AB
- RA: 20 34 18.83
- Dec: +45 20 23.3
- Discoverer: ES
- Discoverer Number: 804
- Components: AB
- First year: 1892
- Last year: 2003
- Observations: 11
- First position angle: 117
- Last position angle: 117
- First separation: 33.5
- Last separation: 31.3
- Mag first component: 10.56
- Mag second component: 11.52
- Spectral type:
- Primary proper motion RA: 16
- Primary proper motion DEC: -8
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: