21105+2452
- Unique Name: 21105+2452POU5216
- RA: 21 10 31.47
- Dec: +24 52 32.3
- Discoverer: POU
- Discoverer Number: 5216
- Components:
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 192
- Last position angle: 192
- First separation: 6.8
- Last separation: 6.0
- Mag first component: 12.9
- Mag second component: 14.3
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: 5
- Secondary proper motion RA: -19
- Secondary proper motion DEC: -110
- Durchmusterung:
- Notes:
