20189+3817
- Unique Name: 20189+3817A 1425AB
- RA: 20 18 51.71
- Dec: +38 16 46.5
- Discoverer: A
- Discoverer Number: 1425
- Components: AB
- First year: 1906
- Last year: 2008
- Observations: 26
- First position angle: 297
- Last position angle: 258
- First separation: 0.2
- Last separation: 0.1
- Mag first component: 7.95
- Mag second component: 8.25
- Spectral type: O9II-III
- Primary proper motion RA: -10
- Primary proper motion DEC: -13
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +37 3879
- Notes: N
