21105+1958
- Unique Name: 21105+1958STF2767
- RA: 21 10 30.35
- Dec: +19 57 33.7
- Discoverer: STF
- Discoverer Number: 2767
- Components:
- First year: 1825
- Last year: 2010
- Observations: 99
- First position angle: 32
- Last position angle: 29
- First separation: 2.9
- Last separation: 2.5
- Mag first component: 8.19
- Mag second component: 8.47
- Spectral type: F4V
- Primary proper motion RA: -9
- Primary proper motion DEC: -20
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -7
- Durchmusterung: +19 4638
- Notes: D