20120+3436
- Unique Name: 20120+3436HO 120AC
- RA: 20 11 58.71
- Dec: +34 35 39.5
- Discoverer: HO
- Discoverer Number: 120
- Components: AC
- First year: 1892
- Last year: 2003
- Observations: 9
- First position angle: 201
- Last position angle: 200
- First separation: 27.8
- Last separation: 24.7
- Mag first component: 9.12
- Mag second component: 11.1
- Spectral type: G8IV
- Primary proper motion RA: -10
- Primary proper motion DEC: -22
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: