21244-4100
- Unique Name: 21244-4100BU 766AC
- RA: 21 24 24.80
- Dec: -41 00 24.1
- Discoverer: BU
- Discoverer Number: 766
- Components: AC
- First year: 1879
- Last year: 1999
- Observations: 5
- First position angle: 66
- Last position angle: 65
- First separation: 78.4
- Last separation: 79.1
- Mag first component: 6.24
- Mag second component: 10.3
- Spectral type: A0IIIpSi
- Primary proper motion RA: 26
- Primary proper motion DEC: 0
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -22
- Durchmusterung: -4114504
- Notes: N
