20188+3909
- Unique Name: 20188+3909SEI1079
- RA: 20 18 47.15
- Dec: +39 08 56.8
- Discoverer: SEI
- Discoverer Number: 1079
- Components:
- First year: 1896
- Last year: 2006
- Observations: 8
- First position angle: 110
- Last position angle: 109
- First separation: 6.3
- Last separation: 6.2
- Mag first component: 10.5
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -1
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: