21434+5834
- Unique Name: 21434+5834MLB 91
- RA: 21 43 24.00
- Dec: +58 34 16.3
- Discoverer: MLB
- Discoverer Number: 91
- Components:
- First year: 1906
- Last year: 2010
- Observations: 8
- First position angle: 81
- Last position angle: 71
- First separation: 3.6
- Last separation: 4.6
- Mag first component: 10.9
- Mag second component: 11.0
- Spectral type: F8
- Primary proper motion RA: -31
- Primary proper motion DEC: 3
- Secondary proper motion RA: 24
- Secondary proper motion DEC: 14
- Durchmusterung: +57 2378
- Notes: