21543+2425
- Unique Name: 21543+2425POU5557
- RA: 21 54 15.05
- Dec: +24 25 04.4
- Discoverer: POU
- Discoverer Number: 5557
- Components:
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 11
- Last position angle: 19
- First separation: 9.3
- Last separation: 9.3
- Mag first component: 12.0
- Mag second component: 13.4
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: