19404+3121
- Unique Name: 19404+3121COU1163Aa,Ab
- RA: 19 40 21.57
- Dec: +31 21 26.4
- Discoverer: COU
- Discoverer Number: 1163
- Components: Aa,Ab
- First year: 1974
- Last year: 2007
- Observations: 6
- First position angle: 168
- Last position angle: 165
- First separation: 0.2
- Last separation: 0.1
- Mag first component: 9.5
- Mag second component: 9.5
- Spectral type: F8V
- Primary proper motion RA: 8
- Primary proper motion DEC: 7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +31 3715
- Notes: