21483-4718
- Unique Name: 21483-4718BSO 15
- RA: 21 48 15.75
- Dec: -47 18 13.0
- Discoverer: BSO
- Discoverer Number: 15
- Components:
- First year: 1834
- Last year: 1999
- Observations: 30
- First position angle: 14
- Last position angle: 351
- First separation: 20.0
- Last separation: 75.2
- Mag first component: 5.64
- Mag second component: 8.76
- Spectral type: G0V
- Primary proper motion RA: 166
- Primary proper motion DEC: -295
- Secondary proper motion RA: 52
- Secondary proper motion DEC: -6
- Durchmusterung: -4713928
- Notes: NLD
