20519+4140
- Unique Name: 20519+4140COU2428
- RA: 20 51 53.04
- Dec: +41 40 18.0
- Discoverer: COU
- Discoverer Number: 2428
- Components:
- First year: 1986
- Last year: 1986
- Observations: 1
- First position angle: 105
- Last position angle: 105
- First separation: 0.8
- Last separation: 0.8
- Mag first component: 10.7
- Mag second component: 13.7
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +41 3914
- Notes: