20157+0957
- Unique Name: 20157+0957J 1234
- RA: 20 15 42.78
- Dec: +09 56 37.9
- Discoverer: J
- Discoverer Number: 1234
- Components:
- First year: 1915
- Last year: 2001
- Observations: 4
- First position angle: 39
- Last position angle: 43
- First separation: 4.3
- Last separation: 4.4
- Mag first component: 12.51
- Mag second component: 15.0
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: