21257+6325
- Unique Name: 21257+6325STI1028AB
- RA: 21 25 41.14
- Dec: +63 25 20.7
- Discoverer: STI
- Discoverer Number: 1028
- Components: AB
- First year: 1905
- Last year: 2011
- Observations: 4
- First position angle: 343
- Last position angle: 344
- First separation: 6.0
- Last separation: 6.7
- Mag first component: 12.3
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -4
- Secondary proper motion RA: -2
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: