21143+2522
- Unique Name: 21143+2522POU5284AC
- RA: 21 14 18.37
- Dec: +25 22 15.3
- Discoverer: POU
- Discoverer Number: 5284
- Components: AC
- First year: 1898
- Last year: 1898
- Observations: 1
- First position angle: 86
- Last position angle: 86
- First separation: 5.4
- Last separation: 5.4
- Mag first component: 10.1
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -25
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: