21345+4725
- Unique Name: 21345+4725ABH 146AE
- RA: 21 34 25.29
- Dec: +47 25 12.7
- Discoverer: ABH
- Discoverer Number: 146
- Components: AE
- First year: 1987
- Last year: 2012
- Observations: 5
- First position angle: 33
- Last position angle: 33
- First separation: 32.7
- Last separation: 32.6
- Mag first component: 9.94
- Mag second component: 14.3
- Spectral type: B8III
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: U
