18309+3840
- Unique Name: 18309+3840STF2338CD
- RA: 18 30 51.83
- Dec: +38 38 25.3
- Discoverer: STF
- Discoverer Number: 2338
- Components: CD
- First year: 1904
- Last year: 2002
- Observations: 2
- First position angle: 241
- Last position angle: 243
- First separation: 14.2
- Last separation: 13.1
- Mag first component: 9.62
- Mag second component: 14.8
- Spectral type: Ma
- Primary proper motion RA: 2
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 3200
- Notes: N
