20301+4857
- Unique Name: 20301+4857BU 669AB
- RA: 20 30 03.53
- Dec: +48 57 05.6
- Discoverer: BU
- Discoverer Number: 669
- Components: AB
- First year: 1878
- Last year: 2013
- Observations: 10
- First position angle: 343
- Last position angle: 336
- First separation: 17.3
- Last separation: 15.0
- Mag first component: 4.95
- Mag second component: 12.9
- Spectral type: B2.5IV
- Primary proper motion RA: 11
- Primary proper motion DEC: 7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +48 3142
- Notes: N