20578-7217
- Unique Name: 20578-7217B 1389
- RA: 20 57 47.03
- Dec: -72 17 17.6
- Discoverer: B
- Discoverer Number: 1389
- Components:
- First year: 1930
- Last year: 1998
- Observations: 4
- First position angle: 27
- Last position angle: 27
- First separation: 3.4
- Last separation: 3.2
- Mag first component: 9.48
- Mag second component: 11.68
- Spectral type: G3V
- Primary proper motion RA: 5
- Primary proper motion DEC: -2
- Secondary proper motion RA: 19
- Secondary proper motion DEC: 16
- Durchmusterung: -72 2571
- Notes: