04528-2521
- Unique Name: 04528-2521B 75AB
- RA: 04 52 49.61
- Dec: -25 21 04.7
- Discoverer: B
- Discoverer Number: 75
- Components: AB
- First year: 1909
- Last year: 1999
- Observations: 6
- First position angle: 257
- Last position angle: 259
- First separation: 65.7
- Last separation: 70.1
- Mag first component: 8.6
- Mag second component: 11.6
- Spectral type: K2/3III
- Primary proper motion RA: 14
- Primary proper motion DEC: 6
- Secondary proper motion RA: -25
- Secondary proper motion DEC: 29
- Durchmusterung: -25 2097
- Notes: