21111+3918
- Unique Name: 21111+3918MLB 892
- RA: 21 11 04.80
- Dec: +39 17 42.3
- Discoverer: MLB
- Discoverer Number: 892
- Components:
- First year: 1933
- Last year: 2002
- Observations: 3
- First position angle: 190
- Last position angle: 188
- First separation: 3.9
- Last separation: 4.4
- Mag first component: 9.9
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -2
- Secondary proper motion RA: -29
- Secondary proper motion DEC: -45
- Durchmusterung:
- Notes: