21091+1906
- Unique Name: 21091+1906COU 329
- RA: 21 09 07.72
- Dec: +19 05 48.2
- Discoverer: COU
- Discoverer Number: 329
- Components:
- First year: 1968
- Last year: 2010
- Observations: 3
- First position angle: 102
- Last position angle: 100
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 12.03
- Mag second component: 11.99
- Spectral type: G5
- Primary proper motion RA: -18
- Primary proper motion DEC: -16
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +18 4714
- Notes: