04521+6330
- Unique Name: 04521+6330BU 1389
- RA: 04 52 05.22
- Dec: +63 30 19.5
- Discoverer: BU
- Discoverer Number: 1389
- Components:
- First year: 1913
- Last year: 2003
- Observations: 5
- First position angle: 351
- Last position angle: 351
- First separation: 115.4
- Last separation: 120.3
- Mag first component: 5.64
- Mag second component: 10.87
- Spectral type: M3IIIab
- Primary proper motion RA: 38
- Primary proper motion DEC: -94
- Secondary proper motion RA: 28
- Secondary proper motion DEC: -49
- Durchmusterung: +63 543
- Notes: