18309+3840
- Unique Name: 18309+3840STF2338AE
- RA: 18 30 54.75
- Dec: +38 39 33.8
- Discoverer: STF
- Discoverer Number: 2338
- Components: AE
- First year: 1982
- Last year: 2013
- Observations: 7
- First position angle: 155
- Last position angle: 154
- First separation: 51.7
- Last separation: 51.9
- Mag first component: 9.3
- Mag second component: 13.0
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -7
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 9
- Durchmusterung:
- Notes: N