12528+3949
- Unique Name: 12528+3949ES 1405AB
- RA: 12 52 47.86
- Dec: +39 49 11.3
- Discoverer: ES
- Discoverer Number: 1405
- Components: AB
- First year: 1895
- Last year: 2003
- Observations: 8
- First position angle: 284
- Last position angle: 284
- First separation: 69.4
- Last separation: 66.4
- Mag first component: 9.86
- Mag second component: 11.71
- Spectral type: F8
- Primary proper motion RA: -41
- Primary proper motion DEC: -12
- Secondary proper motion RA: 78
- Secondary proper motion DEC: 7
- Durchmusterung: +40 2585
- Notes: