18309+3840
- Unique Name: 18309+3840STF2338CE
- RA: 18 30 51.83
- Dec: +38 38 25.3
- Discoverer: STF
- Discoverer Number: 2338
- Components: CE
- First year: 1982
- Last year: 2013
- Observations: 6
- First position angle: 69
- Last position angle: 69
- First separation: 60.6
- Last separation: 60.8
- Mag first component: 9.62
- Mag second component: 13.0
- Spectral type: Ma
- Primary proper motion RA: 2
- Primary proper motion DEC: -7
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 9
- Durchmusterung: +38 3200
- Notes: N
