21403+6823
- Unique Name: 21403+6823HU 968
- RA: 21 40 18.69
- Dec: +68 23 21.8
- Discoverer: HU
- Discoverer Number: 968
- Components:
- First year: 1904
- Last year: 2008
- Observations: 18
- First position angle: 144
- Last position angle: 147
- First separation: 1.2
- Last separation: 1.2
- Mag first component: 8.83
- Mag second component: 9.87
- Spectral type: A0
- Primary proper motion RA: 21
- Primary proper motion DEC: 13
- Secondary proper motion RA: 21
- Secondary proper motion DEC: 13
- Durchmusterung: +67 1343
- Notes: