20057+3711
- Unique Name: 20057+3711SEI 850
- RA: 20 05 41.75
- Dec: +37 10 36.2
- Discoverer: SEI
- Discoverer Number: 850
- Components:
- First year: 1896
- Last year: 2002
- Observations: 5
- First position angle: 341
- Last position angle: 339
- First separation: 28.0
- Last separation: 25.9
- Mag first component: 11.48
- Mag second component: 12.58
- Spectral type: F8:
- Primary proper motion RA: 3
- Primary proper motion DEC: 9
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -9
- Durchmusterung:
- Notes: