18389+5221
- Unique Name: 18389+5221STF2368AB
- RA: 18 38 51.27
- Dec: +52 20 38.2
- Discoverer: STF
- Discoverer Number: 2368
- Components: AB
- First year: 1831
- Last year: 2013
- Observations: 102
- First position angle: 331
- Last position angle: 320
- First separation: 2.0
- Last separation: 1.9
- Mag first component: 7.63
- Mag second component: 7.77
- Spectral type: A3
- Primary proper motion RA: 8
- Primary proper motion DEC: -3
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -3
- Durchmusterung: +52 2258
- Notes: N D