17566+5129
- Unique Name: 17566+5129BU 633AB
- RA: 17 56 36.38
- Dec: +51 29 20.2
- Discoverer: BU
- Discoverer Number: 633
- Components: AB
- First year: 1878
- Last year: 2012
- Observations: 10
- First position angle: 152
- Last position angle: 152
- First separation: 20.6
- Last separation: 21.0
- Mag first component: 2.23
- Mag second component: 13.4
- Spectral type: K5III
- Primary proper motion RA: -8
- Primary proper motion DEC: -19
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +51 2282
- Notes: N