21186+3430
- Unique Name: 21186+3430HU 769
- RA: 21 18 37.23
- Dec: +34 30 30.9
- Discoverer: HU
- Discoverer Number: 769
- Components:
- First year: 1904
- Last year: 2008
- Observations: 6
- First position angle: 176
- Last position angle: 175
- First separation: 0.8
- Last separation: 0.9
- Mag first component: 9.68
- Mag second component: 10.23
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: 0
- Secondary proper motion RA: -4
- Secondary proper motion DEC: 0
- Durchmusterung: +33 4222
- Notes: