02256+5017
- Unique Name: 02256+5017BUP 31AB
- RA: 02 25 37.40
- Dec: +50 16 43.2
- Discoverer: BUP
- Discoverer Number: 31
- Components: AB
- First year: 1908
- Last year: 2002
- Observations: 4
- First position angle: 303
- Last position angle: 304
- First separation: 47.9
- Last separation: 51.2
- Mag first component: 4.71
- Mag second component: 12.9
- Spectral type: K4+III
- Primary proper motion RA: 25
- Primary proper motion DEC: -15
- Secondary proper motion RA: 2
- Secondary proper motion DEC: 0
- Durchmusterung: +49 656
- Notes: NU