20120+3436
- Unique Name: 20120+3436HO 120AB
- RA: 20 11 58.71
- Dec: +34 35 39.5
- Discoverer: HO
- Discoverer Number: 120
- Components: AB
- First year: 1882
- Last year: 1999
- Observations: 10
- First position angle: 114
- Last position angle: 114
- First separation: 1.0
- Last separation: 1.2
- Mag first component: 9.12
- Mag second component: 10.65
- Spectral type: G8IV
- Primary proper motion RA: -7
- Primary proper motion DEC: -19
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -19
- Durchmusterung: +34 3907
- Notes: