20404+3758
- Unique Name: 20404+3758SEI1212
- RA: 20 40 24.18
- Dec: +37 57 47.5
- Discoverer: SEI
- Discoverer Number: 1212
- Components:
- First year: 1896
- Last year: 2008
- Observations: 6
- First position angle: 191
- Last position angle: 192
- First separation: 24.9
- Last separation: 18.9
- Mag first component: 10.3
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -54
- Secondary proper motion RA: -3
- Secondary proper motion DEC: 0
- Durchmusterung: +37 4020
- Notes: