21576+6708
- Unique Name: 21576+6708ACA 8AC
- RA: 21 57 33.74
- Dec: +67 08 25.1
- Discoverer: ACA
- Discoverer Number: 8
- Components: AC
- First year: 2003
- Last year: 2006
- Observations: 2
- First position angle: 323
- Last position angle: 323
- First separation: 72.6
- Last separation: 71.9
- Mag first component: 8.2
- Mag second component: 13.0
- Spectral type: F5
- Primary proper motion RA: -7
- Primary proper motion DEC: -3
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 79
- Durchmusterung:
- Notes: