20579+2940
- Unique Name: 20579+2940MLB 573AC
- RA: 20 57 55.29
- Dec: +29 40 27.6
- Discoverer: MLB
- Discoverer Number: 573
- Components: AC
- First year: 1928
- Last year: 2007
- Observations: 4
- First position angle: 230
- Last position angle: 232
- First separation: 20.0
- Last separation: 24.0
- Mag first component: 10.2
- Mag second component: 10.5
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -6
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: