18547+2239
- Unique Name: 18547+2239BU 646AC
- RA: 18 54 44.88
- Dec: +22 38 42.3
- Discoverer: BU
- Discoverer Number: 646
- Components: AC
- First year: 1878
- Last year: 2001
- Observations: 6
- First position angle: 25
- Last position angle: 23
- First separation: 40.7
- Last separation: 36.9
- Mag first component: 4.59
- Mag second component: 11.1
- Spectral type: G4III
- Primary proper motion RA: 7
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
