20478+2519
- Unique Name: 20478+2519DAM 514AF
- RA: 20 47 50.27
- Dec: +25 18 47.7
- Discoverer: DAM
- Discoverer Number: 514
- Components: AF
- First year: 1999
- Last year: 2001
- Observations: 2
- First position angle: 100
- Last position angle: 100
- First separation: 44.2
- Last separation: 44.2
- Mag first component: 11.27
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -32
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: