21210+2428
- Unique Name: 21210+2428POU5345
- RA: 21 20 58.04
- Dec: +24 28 11.6
- Discoverer: POU
- Discoverer Number: 5345
- Components:
- First year: 1898
- Last year: 2009
- Observations: 3
- First position angle: 171
- Last position angle: 264
- First separation: 4.0
- Last separation: 4.1
- Mag first component: 13.1
- Mag second component: 14.3
- Spectral type:
- Primary proper motion RA: 38
- Primary proper motion DEC: -20
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -25
- Durchmusterung:
- Notes: