21553+4413
- Unique Name: 21553+4413WSI 34AC
- RA: 21 55 18.67
- Dec: +44 13 17.9
- Discoverer: WSI
- Discoverer Number: 34
- Components: AC
- First year: 1999
- Last year: 2003
- Observations: 3
- First position angle: 346
- Last position angle: 346
- First separation: 9.1
- Last separation: 8.9
- Mag first component: 10.93
- Mag second component: 12.0
- Spectral type:
- Primary proper motion RA: 9
- Primary proper motion DEC: -7
- Secondary proper motion RA: -6
- Secondary proper motion DEC: 14
- Durchmusterung:
- Notes: