21434+5526
- Unique Name: 21434+5526ES 1010
- RA: 21 43 21.85
- Dec: +55 26 41.1
- Discoverer: ES
- Discoverer Number: 1010
- Components:
- First year: 1910
- Last year: 2009
- Observations: 4
- First position angle: 107
- Last position angle: 105
- First separation: 2.5
- Last separation: 2.0
- Mag first component: 10.71
- Mag second component: 11.5
- Spectral type: B8
- Primary proper motion RA: -4
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +54 2608
- Notes:
