20183+2539
- Unique Name: 20183+2539BU 985AB
- RA: 20 18 17.06
- Dec: +25 38 53.7
- Discoverer: BU
- Discoverer Number: 985
- Components: AB
- First year: 1880
- Last year: 2009
- Observations: 8
- First position angle: 149
- Last position angle: 153
- First separation: 5.0
- Last separation: 5.9
- Mag first component: 6.99
- Mag second component: 12.8
- Spectral type: B2V
- Primary proper motion RA: 2
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +25 4189
- Notes: N