20422+5020
- Unique Name: 20422+5020BU 675AB
- RA: 20 42 12.63
- Dec: +50 20 24.1
- Discoverer: BU
- Discoverer Number: 675
- Components: AB
- First year: 1878
- Last year: 1934
- Observations: 8
- First position angle: 102
- Last position angle: 103
- First separation: 3.1
- Last separation: 3.1
- Mag first component: 5.38
- Mag second component: 12.4
- Spectral type: B2V
- Primary proper motion RA: -3
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +49 3353
- Notes: N