20256+2642
- Unique Name: 20256+2642BU 1488BC
- RA: 20 25 43.41
- Dec: +26 42 39.0
- Discoverer: BU
- Discoverer Number: 1488
- Components: BC
- First year: 1910
- Last year: 1991
- Observations: 3
- First position angle: 356
- Last position angle: 357
- First separation: 2.3
- Last separation: 2.6
- Mag first component: 9.69
- Mag second component: 12.59
- Spectral type: A2
- Primary proper motion RA: 4
- Primary proper motion DEC: -7
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -2
- Durchmusterung: +26 3898
- Notes: N
