20391+1550
- Unique Name: 20391+1550BU 288AD
- RA: 20 39 04.97
- Dec: +15 50 17.6
- Discoverer: BU
- Discoverer Number: 288
- Components: AD
- First year: 1934
- Last year: 2007
- Observations: 5
- First position angle: 145
- Last position angle: 147
- First separation: 30.3
- Last separation: 29.3
- Mag first component: 5.97
- Mag second component: 14.4
- Spectral type: B3V
- Primary proper motion RA: -1
- Primary proper motion DEC: -15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N