21356+3446
- Unique Name: 21356+3446COU1481
- RA: 21 35 34.90
- Dec: +34 46 20.3
- Discoverer: COU
- Discoverer Number: 1481
- Components:
- First year: 1976
- Last year: 2009
- Observations: 6
- First position angle: 170
- Last position angle: 172
- First separation: 0.7
- Last separation: 0.6
- Mag first component: 9.44
- Mag second component: 9.76
- Spectral type: K0
- Primary proper motion RA: 6
- Primary proper motion DEC: 13
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 13
- Durchmusterung: +34 4463
- Notes: