21108+2452
- Unique Name: 21108+2452POU5219AB
- RA: 21 10 48.37
- Dec: +24 52 03.2
- Discoverer: POU
- Discoverer Number: 5219
- Components: AB
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 166
- Last position angle: 146
- First separation: 9.1
- Last separation: 8.3
- Mag first component: 12.0
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -2
- Secondary proper motion RA: 25
- Secondary proper motion DEC: 26
- Durchmusterung:
- Notes: