20189+4522
- Unique Name: 20189+4522ARG 37
- RA: 20 18 51.42
- Dec: +45 21 32.5
- Discoverer: ARG
- Discoverer Number: 37
- Components:
- First year: 1905
- Last year: 2003
- Observations: 4
- First position angle: 195
- Last position angle: 194
- First separation: 15.5
- Last separation: 14.6
- Mag first component: 9.6
- Mag second component: 12.4
- Spectral type: F5
- Primary proper motion RA: -8
- Primary proper motion DEC: -12
- Secondary proper motion RA: -21
- Secondary proper motion DEC: -1
- Durchmusterung: +44 3425
- Notes: