21589+4748
- Unique Name: 21589+4748ES 1176AB
- RA: 21 58 55.76
- Dec: +47 47 31.1
- Discoverer: ES
- Discoverer Number: 1176
- Components: AB
- First year: 1898
- Last year: 2003
- Observations: 5
- First position angle: 143
- Last position angle: 141
- First separation: 32.1
- Last separation: 33.0
- Mag first component: 9.21
- Mag second component: 11.0
- Spectral type: K5
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: 10
- Secondary proper motion DEC: 0
- Durchmusterung: +47 3638
- Notes: