20570+2340
- Unique Name: 20570+2340A 175AB
- RA: 20 57 00.99
- Dec: +23 40 27.4
- Discoverer: A
- Discoverer Number: 175
- Components: AB
- First year: 1898
- Last year: 2009
- Observations: 10
- First position angle: 292
- Last position angle: 293
- First separation: 1.9
- Last separation: 2.0
- Mag first component: 8.2
- Mag second component: 13.7
- Spectral type: K2
- Primary proper motion RA: 14
- Primary proper motion DEC: 3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4190
- Notes: N