20423+3637
- Unique Name: 20423+3637SEI1224
- RA: 20 42 14.93
- Dec: +36 35 59.3
- Discoverer: SEI
- Discoverer Number: 1224
- Components:
- First year: 1896
- Last year: 2004
- Observations: 9
- First position angle: 161
- Last position angle: 161
- First separation: 23.9
- Last separation: 24.7
- Mag first component: 9.92
- Mag second component: 10.46
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -5
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -10
- Durchmusterung: +36 4202
- Notes: