21196+2543
- Unique Name: 21196+2543COU 728
- RA: 21 19 36.91
- Dec: +25 42 42.9
- Discoverer: COU
- Discoverer Number: 728
- Components:
- First year: 1971
- Last year: 2008
- Observations: 10
- First position angle: 49
- Last position angle: 50
- First separation: 1.3
- Last separation: 1.5
- Mag first component: 10.48
- Mag second component: 10.9
- Spectral type: F5
- Primary proper motion RA: 36
- Primary proper motion DEC: 46
- Secondary proper motion RA: 36
- Secondary proper motion DEC: 46
- Durchmusterung: +25 4510
- Notes: