22520+4319
- Unique Name: 22520+4319BU 451AB
- RA: 22 52 01.95
- Dec: +43 18 44.5
- Discoverer: BU
- Discoverer Number: 451
- Components: AB
- First year: 1888
- Last year: 2013
- Observations: 11
- First position angle: 129
- Last position angle: 158
- First separation: 29.6
- Last separation: 23.3
- Mag first component: 4.94
- Mag second component: 11.9
- Spectral type: M1III
- Primary proper motion RA: 109
- Primary proper motion DEC: 21
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -14
- Durchmusterung: +42 4521
- Notes: NL
