18557+1254
- Unique Name: 18557+1254COG 1AC
- RA: 18 55 43.67
- Dec: +12 54 30.1
- Discoverer: COG
- Discoverer Number: 1
- Components: AC
- First year: 1893
- Last year: 2004
- Observations: 14
- First position angle: 55
- Last position angle: 54
- First separation: 38.9
- Last separation: 38.5
- Mag first component: 9.28
- Mag second component: 10.26
- Spectral type: A5V
- Primary proper motion RA: 9
- Primary proper motion DEC: -5
- Secondary proper motion RA: 17
- Secondary proper motion DEC: -12
- Durchmusterung:
- Notes: NU