21534+4921
- Unique Name: 21534+4921ES 524BC
- RA: 21 53 23.10
- Dec: +49 20 28.3
- Discoverer: ES
- Discoverer Number: 524
- Components: BC
- First year: 1907
- Last year: 2003
- Observations: 3
- First position angle: 6
- Last position angle: 4
- First separation: 5.9
- Last separation: 4.7
- Mag first component: 11.96
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -7
- Secondary proper motion RA: -30
- Secondary proper motion DEC: 21
- Durchmusterung:
- Notes:
