00528+5638
- Unique Name: 00528+5638BU 1AB
- RA: 00 52 49.22
- Dec: +56 37 39.5
- Discoverer: BU
- Discoverer Number: 1
- Components: AB
- First year: 1872
- Last year: 2009
- Observations: 26
- First position angle: 90
- Last position angle: 81
- First separation: 1.5
- Last separation: 1.5
- Mag first component: 8.58
- Mag second component: 9.33
- Spectral type: O6.5V
- Primary proper motion RA: 8
- Primary proper motion DEC: 1
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 22
- Durchmusterung: +55 191
- Notes: N