21109+2403
- Unique Name: 21109+2403POU5221
- RA: 21 10 50.66
- Dec: +24 03 12.7
- Discoverer: POU
- Discoverer Number: 5221
- Components:
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 29
- Last position angle: 27
- First separation: 7.4
- Last separation: 4.8
- Mag first component: 12.6
- Mag second component: 13.4
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: