20391+1550
- Unique Name: 20391+1550BU 288AB
- RA: 20 39 04.97
- Dec: +15 50 17.6
- Discoverer: BU
- Discoverer Number: 288
- Components: AB
- First year: 1874
- Last year: 2006
- Observations: 8
- First position angle: 180
- Last position angle: 154
- First separation: 10.0
- Last separation: 5.2
- Mag first component: 5.97
- Mag second component: 12.4
- Spectral type: B3V
- Primary proper motion RA: 3
- Primary proper motion DEC: -22
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +15 4220
- Notes: N
