20419+2043
- Unique Name: 20419+2043BU 673AB
- RA: 20 41 51.69
- Dec: +20 42 51.0
- Discoverer: BU
- Discoverer Number: 673
- Components: AB
- First year: 1878
- Last year: 1926
- Observations: 12
- First position angle: 298
- Last position angle: 297
- First separation: 4.1
- Last separation: 4.2
- Mag first component: 7.4
- Mag second component: 11.9
- Spectral type: A7II-III
- Primary proper motion RA: -6
- Primary proper motion DEC: -50
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +20 4680
- Notes: