15590+1820
- Unique Name: 15590+1820SHY 691
- RA: 15 59 01.82
- Dec: +18 19 33.1
- Discoverer: SHY
- Discoverer Number: 691
- Components:
- First year: 1991
- Last year: 2001
- Observations: 4
- First position angle: 343
- Last position angle: 343
- First separation: 999.9
- Last separation: 999.9
- Mag first component: 7.87
- Mag second component: 8.52
- Spectral type: F8 G0
- Primary proper motion RA: -60
- Primary proper motion DEC: 2
- Secondary proper motion RA: -57
- Secondary proper motion DEC: 11
- Durchmusterung: +18 3095
- Notes: NV
