21184+3930
- Unique Name: 21184+3930SEI1496
- RA: 21 18 22.12
- Dec: +39 29 59.8
- Discoverer: SEI
- Discoverer Number: 1496
- Components:
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 7
- Last position angle: 353
- First separation: 22.1
- Last separation: 19.7
- Mag first component: 12.32
- Mag second component: 11.79
- Spectral type:
- Primary proper motion RA: 17
- Primary proper motion DEC: 6
- Secondary proper motion RA: -32
- Secondary proper motion DEC: -18
- Durchmusterung:
- Notes: