21186+1134
- Unique Name: 21186+1134BU 163AC
- RA: 21 18 34.85
- Dec: +11 34 08.2
- Discoverer: BU
- Discoverer Number: 163
- Components: AC
- First year: 1908
- Last year: 2013
- Observations: 5
- First position angle: 242
- Last position angle: 252
- First separation: 28.9
- Last separation: 28.3
- Mag first component: 7.31
- Mag second component: 15.0
- Spectral type: G0V
- Primary proper motion RA: 36
- Primary proper motion DEC: -49
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
