21478+6203
- Unique Name: 21478+6203HU 971AB
- RA: 21 47 45.39
- Dec: +62 03 24.3
- Discoverer: HU
- Discoverer Number: 971
- Components: AB
- First year: 1904
- Last year: 2008
- Observations: 16
- First position angle: 137
- Last position angle: 203
- First separation: 0.2
- Last separation: 0.3
- Mag first component: 8.99
- Mag second component: 9.73
- Spectral type: A3
- Primary proper motion RA: 19
- Primary proper motion DEC: 1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +61 2199
- Notes: