21109+1801
- Unique Name: 21109+1801COU 69
- RA: 21 10 57.06
- Dec: +18 01 18.6
- Discoverer: COU
- Discoverer Number: 69
- Components:
- First year: 1964
- Last year: 2003
- Observations: 2
- First position angle: 332
- Last position angle: 328
- First separation: 1.7
- Last separation: 1.6
- Mag first component: 10.5
- Mag second component: 12.1
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC: 36
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: