20308+3749
- Unique Name: 20308+3749SEI1146AB
- RA: 20 30 45.51
- Dec: +37 48 58.8
- Discoverer: SEI
- Discoverer Number: 1146
- Components: AB
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 42
- Last position angle: 42
- First separation: 10.2
- Last separation: 10.2
- Mag first component: 12.25
- Mag second component: 12.27
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -1
- Secondary proper motion RA: 2
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: B