21179+3454
- Unique Name: 21179+3454BU 9011AE
- RA: 21 17 55.07
- Dec: +34 53 48.8
- Discoverer: BU
- Discoverer Number: 9011
- Components: AE
- First year: 1874
- Last year: 2012
- Observations: 4
- First position angle: 60
- Last position angle: 67
- First separation: 40.0
- Last separation: 34.2
- Mag first component: 4.36
- Mag second component: 10.0
- Spectral type: B2Vne
- Primary proper motion RA: 14
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
