20378+2943
- Unique Name: 20378+2943A 742A,BC
- RA: 20 37 50.18
- Dec: +29 43 17.8
- Discoverer: A
- Discoverer Number: 742
- Components: A,BC
- First year: 1894
- Last year: 2012
- Observations: 11
- First position angle: 344
- Last position angle: 343
- First separation: 57.7
- Last separation: 56.8
- Mag first component: 8.25
- Mag second component: 10.35
- Spectral type: A2
- Primary proper motion RA: 1
- Primary proper motion DEC: -9
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -19
- Durchmusterung: +29 4112
- Notes: Z