21111+4530
- Unique Name: 21111+4530BRT1146
- RA: 21 11 04.32
- Dec: +45 29 24.8
- Discoverer: BRT
- Discoverer Number: 1146
- Components:
- First year: 1893
- Last year: 2011
- Observations: 7
- First position angle: 12
- Last position angle: 346
- First separation: 3.4
- Last separation: 2.4
- Mag first component: 9.5
- Mag second component: 9.6
- Spectral type:
- Primary proper motion RA: 14
- Primary proper motion DEC: 0
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: