18257+2639
- Unique Name: 18257+2639COU 815
- RA: 18 25 44.22
- Dec: +26 39 25.0
- Discoverer: COU
- Discoverer Number: 815
- Components:
- First year: 1972
- Last year: 2009
- Observations: 6
- First position angle: 143
- Last position angle: 147
- First separation: 1.2
- Last separation: 1.6
- Mag first component: 9.01
- Mag second component: 11.3
- Spectral type: Ap
- Primary proper motion RA: -5
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +26 3250
- Notes: