18457+3942
- Unique Name: 18457+3942BU 51AB
- RA: 18 45 39.77
- Dec: +39 41 59.6
- Discoverer: BU
- Discoverer Number: 51
- Components: AB
- First year: 1870
- Last year: 2013
- Observations: 14
- First position angle: 190
- Last position angle: 185
- First separation: 90.0
- Last separation: 73.9
- Mag first component: 9.0
- Mag second component: 11.95
- Spectral type: M0
- Primary proper motion RA: -1
- Primary proper motion DEC: -1
- Secondary proper motion RA: -3
- Secondary proper motion DEC: 4
- Durchmusterung: +39 3523
- Notes:
