18457+3942
- Unique Name: 18457+3942BU 51BC
- RA: 18 45 39.17
- Dec: +39 40 45.9
- Discoverer: BU
- Discoverer Number: 51
- Components: BC
- First year: 1870
- Last year: 2013
- Observations: 10
- First position angle: 280
- Last position angle: 295
- First separation: 2.0
- Last separation: 6.1
- Mag first component: 11.95
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: 4
- Secondary proper motion RA: -16
- Secondary proper motion DEC: 6
- Durchmusterung:
- Notes:
