20157+4339
- Unique Name: 20157+4339STF2659AB,D
- RA: 20 15 40.26
- Dec: +43 38 59.6
- Discoverer: STF
- Discoverer Number: 2659
- Components: AB,D
- First year: 1828
- Last year: 2004
- Observations: 26
- First position angle: 251
- Last position angle: 253
- First separation: 14.0
- Last separation: 19.3
- Mag first component: 8.61
- Mag second component: 9.83
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -22
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: N