21227+5214
- Unique Name: 21227+5214HU 591
- RA: 21 22 43.75
- Dec: +52 13 33.6
- Discoverer: HU
- Discoverer Number: 591
- Components:
- First year: 1902
- Last year: 2009
- Observations: 10
- First position angle: 151
- Last position angle: 128
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 9.68
- Mag second component: 9.74
- Spectral type: A7
- Primary proper motion RA: 12
- Primary proper motion DEC: -2
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -2
- Durchmusterung: +51 3052
- Notes: