20423+4549
- Unique Name: 20423+4549WAL 132BC
- RA: 20 42 19.66
- Dec: +45 49 53.1
- Discoverer: WAL
- Discoverer Number: 132
- Components: BC
- First year: 1892
- Last year: 2008
- Observations: 10
- First position angle: 4
- Last position angle: 4
- First separation: 38.8
- Last separation: 40.1
- Mag first component: 10.58
- Mag second component: 10.23
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -9
- Secondary proper motion RA: -4
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: N