18238+5139
- Unique Name: 18238+5139ES 187AC
- RA: 18 23 45.03
- Dec: +51 38 55.8
- Discoverer: ES
- Discoverer Number: 187
- Components: AC
- First year: 1902
- Last year: 2004
- Observations: 16
- First position angle: 118
- Last position angle: 125
- First separation: 85.9
- Last separation: 89.9
- Mag first component: 9.32
- Mag second component: 10.33
- Spectral type: G5
- Primary proper motion RA: 57
- Primary proper motion DEC: 147
- Secondary proper motion RA: 23
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: