21056+1443
- Unique Name: 21056+1443HEI 78AB
- RA: 21 05 35.39
- Dec: +14 42 46.7
- Discoverer: HEI
- Discoverer Number: 78
- Components: AB
- First year: 1970
- Last year: 2005
- Observations: 4
- First position angle: 233
- Last position angle: 233
- First separation: 1.4
- Last separation: 1.8
- Mag first component: 10.8
- Mag second component: 11.3
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +14 4529
- Notes: