21191+6152
- Unique Name: 21191+6152ES 137BC
- RA: 21 19 13.50
- Dec: +61 51 43.0
- Discoverer: ES
- Discoverer Number: 137
- Components: BC
- First year: 1902
- Last year: 1993
- Observations: 4
- First position angle: 75
- Last position angle: 72
- First separation: 2.7
- Last separation: 2.8
- Mag first component: 10.3
- Mag second component: 13.0
- Spectral type: B8
- Primary proper motion RA: 1
- Primary proper motion DEC: -17
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +61 2113
- Notes: