21576+6708
- Unique Name: 21576+6708HJ 1711AB
- RA: 21 57 33.74
- Dec: +67 08 25.1
- Discoverer: HJ
- Discoverer Number: 1711
- Components: AB
- First year: 1828
- Last year: 2006
- Observations: 7
- First position angle: 250
- Last position angle: 254
- First separation: 12.0
- Last separation: 9.1
- Mag first component: 8.2
- Mag second component: 9.8
- Spectral type: F5 A
- Primary proper motion RA: -7
- Primary proper motion DEC: -3
- Secondary proper motion RA: 30
- Secondary proper motion DEC: 19
- Durchmusterung: +66 1463
- Notes:
