16566+5711
- Unique Name: 16566+5711A 1143AB,CD
- RA: 16 56 34.99
- Dec: +57 11 17.2
- Discoverer: A
- Discoverer Number: 1143
- Components: AB,CD
- First year: 1905
- Last year: 2004
- Observations: 14
- First position angle: 5
- Last position angle: 2
- First separation: 96.5
- Last separation: 99.7
- Mag first component: 8.9
- Mag second component: 10.21
- Spectral type: G0
- Primary proper motion RA: 28
- Primary proper motion DEC: -16
- Secondary proper motion RA: -12
- Secondary proper motion DEC: 27
- Durchmusterung:
- Notes: N
