21251+5229
- Unique Name: 21251+5229HU 592
- RA: 21 25 07.02
- Dec: +52 28 30.5
- Discoverer: HU
- Discoverer Number: 592
- Components:
- First year: 1902
- Last year: 1991
- Observations: 7
- First position angle: 327
- Last position angle: 324
- First separation: 1.0
- Last separation: 0.9
- Mag first component: 8.61
- Mag second component: 11.9
- Spectral type: G
- Primary proper motion RA: 53
- Primary proper motion DEC: -12
- Secondary proper motion RA: 53
- Secondary proper motion DEC: -12
- Durchmusterung: +51 3061
- Notes: