19203+3940
- Unique Name: 19203+3940SEI 589
- RA: 19 20 17.16
- Dec: +39 40 18.6
- Discoverer: SEI
- Discoverer Number: 589
- Components:
- First year: 1895
- Last year: 2007
- Observations: 7
- First position angle: 95
- Last position angle: 99
- First separation: 21.2
- Last separation: 13.7
- Mag first component: 10.32
- Mag second component: 12.01
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -1
- Secondary proper motion RA: -72
- Secondary proper motion DEC: -9
- Durchmusterung: +39 3729
- Notes: L
