18120+5110
- Unique Name: 18120+5110AG 359AB
- RA: 18 11 58.47
- Dec: +51 10 09.3
- Discoverer: AG
- Discoverer Number: 359
- Components: AB
- First year: 1901
- Last year: 2008
- Observations: 13
- First position angle: 307
- Last position angle: 306
- First separation: 23.2
- Last separation: 23.6
- Mag first component: 9.75
- Mag second component: 10.13
- Spectral type: G2V
- Primary proper motion RA: 4
- Primary proper motion DEC: 32
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 34
- Durchmusterung: +51 2331
- Notes: