20180+3311
- Unique Name: 20180+3311BAR 11AB
- RA: 20 17 59.91
- Dec: +33 11 29.1
- Discoverer: BAR
- Discoverer Number: 11
- Components: AB
- First year: 1898
- Last year: 2000
- Observations: 22
- First position angle: 200
- Last position angle: 196
- First separation: 0.3
- Last separation: 0.4
- Mag first component: 7.91
- Mag second component: 9.09
- Spectral type: B9
- Primary proper motion RA: 3
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +32 3773
- Notes: N
