20308+3749
- Unique Name: 20308+3749SEI1147AC
- RA: 20 30 45.51
- Dec: +37 48 58.8
- Discoverer: SEI
- Discoverer Number: 1147
- Components: AC
- First year: 1895
- Last year: 2002
- Observations: 4
- First position angle: 280
- Last position angle: 285
- First separation: 18.7
- Last separation: 14.8
- Mag first component: 12.25
- Mag second component: 12.53
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -1
- Secondary proper motion RA: 35
- Secondary proper motion DEC: 10
- Durchmusterung:
- Notes: B
