19423+4451
- Unique Name: 19423+4451COU2690
- RA: 19 42 17.75
- Dec: +44 51 16.0
- Discoverer: COU
- Discoverer Number: 2690
- Components:
- First year: 1991
- Last year: 2008
- Observations: 3
- First position angle: 124
- Last position angle: 127
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 10.48
- Mag second component: 10.09
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -7
- Durchmusterung: +44 3219
- Notes: