20579+4442
- Unique Name: 20579+4442COU2649
- RA: 20 57 50.23
- Dec: +44 42 57.5
- Discoverer: COU
- Discoverer Number: 2649
- Components:
- First year: 1991
- Last year: 2008
- Observations: 4
- First position angle: 158
- Last position angle: 141
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.7
- Mag second component: 10.71
- Spectral type: K0
- Primary proper motion RA: 30
- Primary proper motion DEC: 33
- Secondary proper motion RA: 30
- Secondary proper motion DEC: 33
- Durchmusterung: +44 3647
- Notes: