21109+0352
- Unique Name: 21109+0352HO 151
- RA: 21 10 55.45
- Dec: +03 51 55.3
- Discoverer: HO
- Discoverer Number: 151
- Components:
- First year: 1884
- Last year: 2011
- Observations: 32
- First position angle: 10
- Last position angle: 16
- First separation: 1.1
- Last separation: 1.3
- Mag first component: 9.67
- Mag second component: 10.02
- Spectral type: F8
- Primary proper motion RA: 26
- Primary proper motion DEC: -31
- Secondary proper motion RA: 26
- Secondary proper motion DEC: -31
- Durchmusterung: +03 4513
- Notes: