18390+5559
- Unique Name: 18390+5559A 1380AB
- RA: 18 39 02.89
- Dec: +55 59 24.4
- Discoverer: A
- Discoverer Number: 1380
- Components: AB
- First year: 1906
- Last year: 2010
- Observations: 13
- First position angle: 14
- Last position angle: 20
- First separation: 0.8
- Last separation: 1.0
- Mag first component: 10.5
- Mag second component: 10.32
- Spectral type: G0
- Primary proper motion RA: 13
- Primary proper motion DEC: 25
- Secondary proper motion RA: 13
- Secondary proper motion DEC: 25
- Durchmusterung: +55 2100
- Notes: