20570+1758
- Unique Name: 20570+1758COU 427
- RA: 20 56 59.19
- Dec: +17 57 30.3
- Discoverer: COU
- Discoverer Number: 427
- Components:
- First year: 1969
- Last year: 2003
- Observations: 3
- First position angle: 217
- Last position angle: 220
- First separation: 1.5
- Last separation: 1.5
- Mag first component: 10.42
- Mag second component: 12.6
- Spectral type: G5
- Primary proper motion RA: -34
- Primary proper motion DEC: -56
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +17 4466
- Notes: