21159+3319
- Unique Name: 21159+3319COU1478
- RA: 21 15 50.85
- Dec: +33 18 19.8
- Discoverer: COU
- Discoverer Number: 1478
- Components:
- First year: 1976
- Last year: 2008
- Observations: 4
- First position angle: 171
- Last position angle: 175
- First separation: 1.2
- Last separation: 1.4
- Mag first component: 10.99
- Mag second component: 11.92
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -1
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -1
- Durchmusterung: +32 4105
- Notes: