16566+5711
- Unique Name: 16566+5711A 1143AB,E
- RA: 16 56 34.99
- Dec: +57 11 17.2
- Discoverer: A
- Discoverer Number: 1143
- Components: AB,E
- First year: 1905
- Last year: 2003
- Observations: 5
- First position angle: 351
- Last position angle: 351
- First separation: 45.8
- Last separation: 52.2
- Mag first component: 8.9
- Mag second component: 13.5
- Spectral type: G0
- Primary proper motion RA: 28
- Primary proper motion DEC: -16
- Secondary proper motion RA: 22
- Secondary proper motion DEC: 53
- Durchmusterung:
- Notes: N
