22521+5443
- Unique Name: 22521+5443STI2879
- RA: 22 52 07.35
- Dec: +54 42 47.3
- Discoverer: STI
- Discoverer Number: 2879
- Components:
- First year: 1917
- Last year: 2010
- Observations: 5
- First position angle: 129
- Last position angle: 139
- First separation: 3.2
- Last separation: 4.8
- Mag first component: 11.85
- Mag second component: 14.4
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 2
- Secondary proper motion RA: 22
- Secondary proper motion DEC: -31
- Durchmusterung:
- Notes: