18109+4242
- Unique Name: 18109+4242ROE 5AB
- RA: 18 09 51.11
- Dec: +42 42 51.0
- Discoverer: ROE
- Discoverer Number: 5
- Components: AB
- First year: 1909
- Last year: 2008
- Observations: 5
- First position angle: 108
- Last position angle: 114
- First separation: 12.7
- Last separation: 15.0
- Mag first component: 11.41
- Mag second component: 13.19
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -7
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -18
- Durchmusterung: +42 3015
- Notes: