20559+5906
- Unique Name: 20559+5906A 754
- RA: 20 55 55.96
- Dec: +59 05 36.2
- Discoverer: A
- Discoverer Number: 754
- Components:
- First year: 1904
- Last year: 2008
- Observations: 17
- First position angle: 16
- Last position angle: 2
- First separation: 0.8
- Last separation: 0.9
- Mag first component: 9.3
- Mag second component: 9.99
- Spectral type: A0
- Primary proper motion RA: 4
- Primary proper motion DEC: 5
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 5
- Durchmusterung: +58 2191
- Notes: