21255+2510
- Unique Name: 21255+2510POU5364AB
- RA: 21 25 25.45
- Dec: +25 10 15.1
- Discoverer: POU
- Discoverer Number: 5364
- Components: AB
- First year: 1891
- Last year: 2007
- Observations: 7
- First position angle: 232
- Last position angle: 233
- First separation: 7.1
- Last separation: 7.7
- Mag first component: 10.61
- Mag second component: 11.1
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -9
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -10
- Durchmusterung: +24 4398
- Notes: