21476-1718
- Unique Name: 21476-1718BU 1036
- RA: 21 47 36.43
- Dec: -17 17 41.1
- Discoverer: BU
- Discoverer Number: 1036
- Components:
- First year: 1888
- Last year: 1999
- Observations: 11
- First position angle: 206
- Last position angle: 207
- First separation: 4.5
- Last separation: 4.5
- Mag first component: 7.66
- Mag second component: 11.38
- Spectral type: A1III
- Primary proper motion RA: 17
- Primary proper motion DEC: 5
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 1
- Durchmusterung: -17 6373
- Notes: