21553+2424
- Unique Name: 21553+2424POU5569AC
- RA: 21 55 18.43
- Dec: +24 23 56.4
- Discoverer: POU
- Discoverer Number: 5569
- Components: AC
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 112
- Last position angle: 115
- First separation: 4.7
- Last separation: 4.4
- Mag first component: 12.4
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: 10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: