18103+4521
- Unique Name: 18103+4521LDS4777
- RA: 18 10 17.37
- Dec: +45 21 43.8
- Discoverer: LDS
- Discoverer Number: 4777
- Components:
- First year: 1960
- Last year: 2000
- Observations: 3
- First position angle: 60
- Last position angle: 60
- First separation: 49.0
- Last separation: 56.3
- Mag first component: 16.07
- Mag second component: 17.03
- Spectral type:
- Primary proper motion RA: 15
- Primary proper motion DEC: -211
- Secondary proper motion RA: 24
- Secondary proper motion DEC: -212
- Durchmusterung:
- Notes: