04481+6521
- Unique Name: 04481+6521MLB 257
- RA: 04 48 05.60
- Dec: +65 20 34.3
- Discoverer: MLB
- Discoverer Number: 257
- Components:
- First year: 1922
- Last year: 2003
- Observations: 3
- First position angle: 325
- Last position angle: 323
- First separation: 5.7
- Last separation: 6.5
- Mag first component: 10.4
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: 5
- Secondary proper motion RA: -28
- Secondary proper motion DEC: 34
- Durchmusterung: +65 429
- Notes: