20057+2412
- Unique Name: 20057+2412BAR 52AC
- RA: 20 05 40.78
- Dec: +24 12 09.4
- Discoverer: BAR
- Discoverer Number: 52
- Components: AC
- First year: 1918
- Last year: 2000
- Observations: 4
- First position angle: 328
- Last position angle: 353
- First separation: 6.3
- Last separation: 6.3
- Mag first component: 11.17
- Mag second component: 17.2
- Spectral type: F8
- Primary proper motion RA: 1
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: