21125+4552
- Unique Name: 21125+4552ES 1273CD
- RA: 21 12 29.82
- Dec: +45 52 13.5
- Discoverer: ES
- Discoverer Number: 1273
- Components: CD
- First year: 1913
- Last year: 2003
- Observations: 4
- First position angle: 73
- Last position angle: 69
- First separation: 4.8
- Last separation: 3.7
- Mag first component: 12.4
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: