21184+3943
- Unique Name: 21184+3943SEI1497
- RA: 21 18 24.61
- Dec: +39 43 26.4
- Discoverer: SEI
- Discoverer Number: 1497
- Components:
- First year: 1895
- Last year: 2002
- Observations: 4
- First position angle: 207
- Last position angle: 213
- First separation: 10.0
- Last separation: 10.0
- Mag first component: 11.33
- Mag second component: 10.52
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -3
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: N
