20001+1731
- Unique Name: 20001+1731BU 1477CE
- RA: 20 00 03.30
- Dec: +17 30 59.4
- Discoverer: BU
- Discoverer Number: 1477
- Components: CE
- First year: 1924
- Last year: 2001
- Observations: 4
- First position angle: 116
- Last position angle: 115
- First separation: 47.1
- Last separation: 43.0
- Mag first component: 5.57
- Mag second component: 12.99
- Spectral type: M4IIIa
- Primary proper motion RA: 2
- Primary proper motion DEC: -12
- Secondary proper motion RA: -15
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: N