18547+2239
- Unique Name: 18547+2239BU 646BC
- RA: 18 54 46.35
- Dec: +22 39 10.5
- Discoverer: BU
- Discoverer Number: 646
- Components: BC
- First year: 1877
- Last year: 2013
- Observations: 7
- First position angle: 159
- Last position angle: 316
- First separation: 7.0
- Last separation: 9.4
- Mag first component: 11.1
- Mag second component: 11.1
- Spectral type:
- Primary proper motion RA: -89
- Primary proper motion DEC: 41
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N