20078+3520
- Unique Name: 20078+3520SEI 901AB
- RA: 20 07 47.34
- Dec: +35 20 29.5
- Discoverer: SEI
- Discoverer Number: 901
- Components: AB
- First year: 1896
- Last year: 2002
- Observations: 6
- First position angle: 86
- Last position angle: 86
- First separation: 15.9
- Last separation: 15.6
- Mag first component: 12.1
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -3
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: