21346+4024
- Unique Name: 21346+4024MLB 27AB
- RA: 21 34 34.86
- Dec: +40 23 06.4
- Discoverer: MLB
- Discoverer Number: 27
- Components: AB
- First year: 1917
- Last year: 2002
- Observations: 4
- First position angle: 324
- Last position angle: 325
- First separation: 17.8
- Last separation: 17.0
- Mag first component: 10.29
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 4
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -3
- Durchmusterung: +39 4599
- Notes: