20399+3703
- Unique Name: 20399+3703ES 248AB
- RA: 20 39 53.25
- Dec: +37 03 23.6
- Discoverer: ES
- Discoverer Number: 248
- Components: AB
- First year: 1905
- Last year: 1998
- Observations: 2
- First position angle: 2
- Last position angle: 4
- First separation: 5.5
- Last separation: 4.3
- Mag first component: 10.41
- Mag second component: 14.4
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +36 4173
- Notes: