12154+5702
- Unique Name: 12154+5702BLL 29AB
- RA: 12 15 25.45
- Dec: +57 01 57.4
- Discoverer: BLL
- Discoverer Number: 29
- Components: AB
- First year: 1878
- Last year: 2014
- Observations: 15
- First position angle: 73
- Last position angle: 73
- First separation: 192.4
- Last separation: 179.7
- Mag first component: 3.3
- Mag second component: 10.21
- Spectral type: A3V
- Primary proper motion RA: 104
- Primary proper motion DEC: 8
- Secondary proper motion RA: 21
- Secondary proper motion DEC: -17
- Durchmusterung: +57 1363
- Notes: N