18217+5740
- Unique Name: 18217+5740MLR 536
- RA: 18 21 43.56
- Dec: +57 40 12.3
- Discoverer: MLR
- Discoverer Number: 536
- Components:
- First year: 1980
- Last year: 2010
- Observations: 7
- First position angle: 198
- Last position angle: 193
- First separation: 0.9
- Last separation: 0.8
- Mag first component: 10.3
- Mag second component: 10.76
- Spectral type: F8
- Primary proper motion RA: -16
- Primary proper motion DEC: 32
- Secondary proper motion RA: -16
- Secondary proper motion DEC: 32
- Durchmusterung: +57 1866
- Notes: