21345+0930
- Unique Name: 21345+0930STF3112AB
- RA: 21 34 29.74
- Dec: +09 29 58.9
- Discoverer: STF
- Discoverer Number: 3112
- Components: AB
- First year: 1830
- Last year: 2013
- Observations: 32
- First position angle: 237
- Last position angle: 240
- First separation: 10.0
- Last separation: 7.1
- Mag first component: 7.96
- Mag second component: 10.32
- Spectral type: G0
- Primary proper motion RA: 59
- Primary proper motion DEC: -88
- Secondary proper motion RA: 50
- Secondary proper motion DEC: -89
- Durchmusterung: +08 4695
- Notes: NVD
