21511+1022
- Unique Name: 21511+1022COU2549AB
- RA: 21 51 07.44
- Dec: +10 22 04.8
- Discoverer: COU
- Discoverer Number: 2549
- Components: AB
- First year: 1989
- Last year: 1990
- Observations: 2
- First position angle: 14
- Last position angle: 11
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 8.83
- Mag second component: 8.8
- Spectral type: F5
- Primary proper motion RA: -16
- Primary proper motion DEC: -66
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +09 4913
- Notes: