21345+4725
- Unique Name: 21345+4725ABH 146AG
- RA: 21 34 25.29
- Dec: +47 25 12.7
- Discoverer: ABH
- Discoverer Number: 146
- Components: AG
- First year: 1987
- Last year: 2003
- Observations: 4
- First position angle: 104
- Last position angle: 104
- First separation: 49.0
- Last separation: 48.6
- Mag first component: 9.94
- Mag second component: 14.7
- Spectral type: B8III
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: 30
- Secondary proper motion DEC: 27
- Durchmusterung:
- Notes: U
