20057+2412
- Unique Name: 20057+2412BAR 52AB
- RA: 20 05 40.78
- Dec: +24 12 09.4
- Discoverer: BAR
- Discoverer Number: 52
- Components: AB
- First year: 1918
- Last year: 1991
- Observations: 6
- First position angle: 160
- Last position angle: 156
- First separation: 0.7
- Last separation: 0.9
- Mag first component: 11.17
- Mag second component: 11.48
- Spectral type: F8
- Primary proper motion RA: 1
- Primary proper motion DEC: -9
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -9
- Durchmusterung: +23 3892
- Notes: