18011+4521
- Unique Name: 18011+4521STF3129
- RA: 18 01 07.16
- Dec: +45 21 03.3
- Discoverer: STF
- Discoverer Number: 3129
- Components:
- First year: 1830
- Last year: 2008
- Observations: 14
- First position angle: 169
- Last position angle: 168
- First separation: 31.1
- Last separation: 31.1
- Mag first component: 7.59
- Mag second component: 10.64
- Spectral type: B9
- Primary proper motion RA: 0
- Primary proper motion DEC: 22
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 23
- Durchmusterung: +45 2643
- Notes: