21181+3854
- Unique Name: 21181+3854SEI1494
- RA: 21 18 03.06
- Dec: +38 54 17.3
- Discoverer: SEI
- Discoverer Number: 1494
- Components:
- First year: 1895
- Last year: 2011
- Observations: 12
- First position angle: 9
- Last position angle: 358
- First separation: 28.5
- Last separation: 24.5
- Mag first component: 10.84
- Mag second component: 11.23
- Spectral type:
- Primary proper motion RA: 33
- Primary proper motion DEC: 9
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes: L
