18109+3321
- Unique Name: 18109+3321COU1005AB
- RA: 18 10 53.17
- Dec: +33 21 06.3
- Discoverer: COU
- Discoverer Number: 1005
- Components: AB
- First year: 1973
- Last year: 2008
- Observations: 9
- First position angle: 285
- Last position angle: 326
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 10.2
- Mag second component: 10.5
- Spectral type: G0
- Primary proper motion RA: 35
- Primary proper motion DEC: 42
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +33 3042
- Notes: