21345+4725
- Unique Name: 21345+4725ABH 146AK
- RA: 21 34 25.29
- Dec: +47 25 12.7
- Discoverer: ABH
- Discoverer Number: 146
- Components: AK
- First year: 1987
- Last year: 2003
- Observations: 4
- First position angle: 247
- Last position angle: 246
- First separation: 112.8
- Last separation: 112.6
- Mag first component: 9.94
- Mag second component: 14.6
- Spectral type: B8III
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -9
- Durchmusterung:
- Notes: U
