21105+2456
- Unique Name: 21105+2456POU5215
- RA: 21 10 28.04
- Dec: +24 56 26.1
- Discoverer: POU
- Discoverer Number: 5215
- Components:
- First year: 1897
- Last year: 1897
- Observations: 1
- First position angle: 172
- Last position angle: 172
- First separation: 7.5
- Last separation: 7.5
- Mag first component: 10.44
- Mag second component: 14.0
- Spectral type:
- Primary proper motion RA: -45
- Primary proper motion DEC: -87
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: