21345+4725
- Unique Name: 21345+4725ABH 146AI
- RA: 21 34 25.29
- Dec: +47 25 12.7
- Discoverer: ABH
- Discoverer Number: 146
- Components: AI
- First year: 1987
- Last year: 2003
- Observations: 4
- First position angle: 93
- Last position angle: 92
- First separation: 120.5
- Last separation: 120.0
- Mag first component: 9.94
- Mag second component: 12.79
- Spectral type: B8III
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: U