20189+4227
- Unique Name: 20189+4227HJ 1503
- RA: 20 18 55.48
- Dec: +42 27 28.5
- Discoverer: HJ
- Discoverer Number: 1503
- Components:
- First year: 1828
- Last year: 2002
- Observations: 10
- First position angle: 82
- Last position angle: 73
- First separation: 10.0
- Last separation: 16.7
- Mag first component: 9.82
- Mag second component: 10.9
- Spectral type: A5
- Primary proper motion RA: 2
- Primary proper motion DEC: 0
- Secondary proper motion RA: 13
- Secondary proper motion DEC: 9
- Durchmusterung: +41 3699
- Notes:
