21111+3821
- Unique Name: 21111+3821ES 207
- RA: 21 11 09.50
- Dec: +38 20 19.4
- Discoverer: ES
- Discoverer Number: 207
- Components:
- First year: 1904
- Last year: 2002
- Observations: 12
- First position angle: 244
- Last position angle: 246
- First separation: 2.5
- Last separation: 2.8
- Mag first component: 10.37
- Mag second component: 10.76
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -98
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -105
- Durchmusterung: +37 4213
- Notes: