18512+5923
- Unique Name: 18512+5923STF2420AB
- RA: 18 51 12.01
- Dec: +59 23 17.8
- Discoverer: STF
- Discoverer Number: 2420
- Components: AB
- First year: 1780
- Last year: 2012
- Observations: 91
- First position angle: 0
- Last position angle: 319
- First separation: 26.7
- Last separation: 37.3
- Mag first component: 4.77
- Mag second component: 8.26
- Spectral type: G7III-IV
- Primary proper motion RA: 78
- Primary proper motion DEC: 25
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 0
- Durchmusterung: +59 1925
- Notes: NLD