20331+4113
- Unique Name: 20331+4113WSI 66AB
- RA: 20 33 08.79
- Dec: +41 13 18.2
- Discoverer: WSI
- Discoverer Number: 66
- Components: AB
- First year: 2005
- Last year: 2008
- Observations: 5
- First position angle: 147
- Last position angle: 146
- First separation: 1.4
- Last separation: 1.5
- Mag first component: 12.3
- Mag second component: 12.7
- Spectral type: O3I+O6V
- Primary proper motion RA: -4
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: