18558+5240
- Unique Name: 18558+5240ES 650AC
- RA: 18 55 46.13
- Dec: +52 40 15.8
- Discoverer: ES
- Discoverer Number: 650
- Components: AC
- First year: 1897
- Last year: 2008
- Observations: 8
- First position angle: 193
- Last position angle: 196
- First separation: 27.9
- Last separation: 26.7
- Mag first component: 10.29
- Mag second component: 11.61
- Spectral type: G5
- Primary proper motion RA: 4
- Primary proper motion DEC: -21
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: