20057+2320
- Unique Name: 20057+2320POU4209AB
- RA: 20 05 40.30
- Dec: +23 20 27.0
- Discoverer: POU
- Discoverer Number: 4209
- Components: AB
- First year: 1894
- Last year: 2009
- Observations: 6
- First position angle: 55
- Last position angle: 51
- First separation: 17.5
- Last separation: 15.6
- Mag first component: 11.1
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: -22
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: