18520+5951
- Unique Name: 18520+5951STI 866
- RA: 18 52 00.25
- Dec: +59 51 21.1
- Discoverer: STI
- Discoverer Number: 866
- Components:
- First year: 1902
- Last year: 2003
- Observations: 4
- First position angle: 58
- Last position angle: 274
- First separation: 3.7
- Last separation: 3.8
- Mag first component: 11.9
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: 54
- Secondary proper motion RA: -27
- Secondary proper motion DEC: 54
- Durchmusterung:
- Notes: N