18554+1331
- Unique Name: 18554+1331BU 647AC
- RA: 18 55 26.45
- Dec: +13 31 06.8
- Discoverer: BU
- Discoverer Number: 647
- Components: AC
- First year: 1877
- Last year: 2004
- Observations: 25
- First position angle: 217
- Last position angle: 218
- First separation: 20.0
- Last separation: 18.8
- Mag first component: 9.95
- Mag second component: 10.27
- Spectral type: B9
- Primary proper motion RA: 3
- Primary proper motion DEC: -6
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: N