20423+4549
- Unique Name: 20423+4549WAL 132AC
- RA: 20 42 20.31
- Dec: +45 49 24.5
- Discoverer: WAL
- Discoverer Number: 132
- Components: AC
- First year: 1892
- Last year: 2008
- Observations: 10
- First position angle: 349
- Last position angle: 357
- First separation: 49.0
- Last separation: 70.2
- Mag first component: 7.66
- Mag second component: 10.23
- Spectral type: G2V
- Primary proper motion RA: -56
- Primary proper motion DEC: -189
- Secondary proper motion RA: -4
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: N