21255+0203
- Unique Name: 21255+0203A 2289AB
- RA: 21 25 30.78
- Dec: +02 02 35.0
- Discoverer: A
- Discoverer Number: 2289
- Components: AB
- First year: 1910
- Last year: 2008
- Observations: 15
- First position angle: 304
- Last position angle: 282
- First separation: 0.3
- Last separation: 0.0
- Mag first component: 7.82
- Mag second component: 9.27
- Spectral type: A1III
- Primary proper motion RA: 7
- Primary proper motion DEC: -19
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +01 4477
- Notes: NO
