21091+2922
- Unique Name: 21091+2922COU1332
- RA: 21 09 06.66
- Dec: +29 21 50.4
- Discoverer: COU
- Discoverer Number: 1332
- Components:
- First year: 1975
- Last year: 2010
- Observations: 12
- First position angle: 19
- Last position angle: 21
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 9.6
- Mag second component: 9.6
- Spectral type: K0
- Primary proper motion RA: -16
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +28 4003
- Notes: