21141+5818
- Unique Name: 21141+5818STF2783
- RA: 21 14 04.90
- Dec: +58 17 49.8
- Discoverer: STF
- Discoverer Number: 2783
- Components:
- First year: 1828
- Last year: 2011
- Observations: 99
- First position angle: 37
- Last position angle: 352
- First separation: 2.0
- Last separation: 0.7
- Mag first component: 7.71
- Mag second component: 8.07
- Spectral type: A3V
- Primary proper motion RA: -12
- Primary proper motion DEC: -20
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -20
- Durchmusterung: +57 2303
- Notes: