19421+5319
- Unique Name: 19421+5319ES 657AB
- RA: 19 42 09.76
- Dec: +53 18 58.6
- Discoverer: ES
- Discoverer Number: 657
- Components: AB
- First year: 1908
- Last year: 2003
- Observations: 4
- First position angle: 114
- Last position angle: 115
- First separation: 2.7
- Last separation: 3.1
- Mag first component: 10.32
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +52 2489
- Notes: