20180+3311
- Unique Name: 20180+3311HO 592AB,C
- RA: 20 17 59.91
- Dec: +33 11 29.1
- Discoverer: HO
- Discoverer Number: 592
- Components: AB,C
- First year: 1895
- Last year: 1991
- Observations: 13
- First position angle: 256
- Last position angle: 256
- First separation: 2.8
- Last separation: 3.0
- Mag first component: 7.6
- Mag second component: 11.96
- Spectral type: B9
- Primary proper motion RA: 3
- Primary proper motion DEC: -2
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: N
