20478+4750
- Unique Name: 20478+4750ES 810
- RA: 20 47 49.29
- Dec: +47 49 54.9
- Discoverer: ES
- Discoverer Number: 810
- Components:
- First year: 1909
- Last year: 2003
- Observations: 4
- First position angle: 42
- Last position angle: 40
- First separation: 18.3
- Last separation: 20.7
- Mag first component: 5.57
- Mag second component: 14.6
- Spectral type: K4III
- Primary proper motion RA: -6
- Primary proper motion DEC: -15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +47 3188
- Notes: N