20391+1550
- Unique Name: 20391+1550BU 288AC
- RA: 20 39 04.97
- Dec: +15 50 17.6
- Discoverer: BU
- Discoverer Number: 288
- Components: AC
- First year: 1913
- Last year: 2007
- Observations: 5
- First position angle: 279
- Last position angle: 124
- First separation: 43.9
- Last separation: 40.0
- Mag first component: 5.97
- Mag second component: 10.9
- Spectral type: B3V
- Primary proper motion RA: -1
- Primary proper motion DEC: -15
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: N
