20390+3804
- Unique Name: 20390+3804SEI1204
- RA: 20 39 08.89
- Dec: +38 05 13.0
- Discoverer: SEI
- Discoverer Number: 1204
- Components:
- First year: 1895
- Last year: 2009
- Observations: 4
- First position angle: 39
- Last position angle: 295
- First separation: 9.2
- Last separation: 7.8
- Mag first component: 10.9
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: 4
- Secondary proper motion RA: 45
- Secondary proper motion DEC: 30
- Durchmusterung:
- Notes: R