20490+3619
- Unique Name: 20490+3619COU1811
- RA: 20 49 01.66
- Dec: +36 19 02.7
- Discoverer: COU
- Discoverer Number: 1811
- Components:
- First year: 1979
- Last year: 1995
- Observations: 2
- First position angle: 259
- Last position angle: 250
- First separation: 0.7
- Last separation: 0.8
- Mag first component: 9.8
- Mag second component: 12.0
- Spectral type: A2
- Primary proper motion RA: 10
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +35 4281
- Notes: