01391+2656
- Unique Name: 01391+2656BU 508AB
- RA: 01 39 08.52
- Dec: +26 56 08.0
- Discoverer: BU
- Discoverer Number: 508
- Components: AB
- First year: 1877
- Last year: 2007
- Observations: 27
- First position angle: 71
- Last position angle: 55
- First separation: 1.0
- Last separation: 0.6
- Mag first component: 9.81
- Mag second component: 10.02
- Spectral type: F8
- Primary proper motion RA: -6
- Primary proper motion DEC: -5
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -5
- Durchmusterung: +26 276
- Notes: