21516+1950
- Unique Name: 21516+1950HJ 947AC
- RA: 21 51 34.24
- Dec: +19 49 35.9
- Discoverer: HJ
- Discoverer Number: 947
- Components: AC
- First year: 1827
- Last year: 2012
- Observations: 11
- First position angle: 315
- Last position angle: 310
- First separation: 20.0
- Last separation: 24.3
- Mag first component: 5.78
- Mag second component: 13.51
- Spectral type: B8III
- Primary proper motion RA: 21
- Primary proper motion DEC: 13
- Secondary proper motion RA: -15
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N
