20136+4644
- Unique Name: 20136+4644GUI 30DC
- RA: 20 13 18.04
- Dec: +46 48 56.4
- Discoverer: GUI
- Discoverer Number: 30
- Components: DC
- First year: 1800
- Last year: 2003
- Observations: 27
- First position angle: 152
- Last position angle: 150
- First separation: 432.9
- Last separation: 431.8
- Mag first component: 4.83
- Mag second component: 6.97
- Spectral type: A5IIIn
- Primary proper motion RA: 14
- Primary proper motion DEC: 3
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 3
- Durchmusterung: +46 2881
- Notes: N