20301+4857
- Unique Name: 20301+4857BU 669AC
- RA: 20 30 03.53
- Dec: +48 57 05.6
- Discoverer: BU
- Discoverer Number: 669
- Components: AC
- First year: 1878
- Last year: 2013
- Observations: 11
- First position angle: 86
- Last position angle: 89
- First separation: 56.3
- Last separation: 55.8
- Mag first component: 4.92
- Mag second component: 11.77
- Spectral type: B2.5IV
- Primary proper motion RA: 11
- Primary proper motion DEC: 7
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: N