20564+4308
- Unique Name: 20564+4308COU2544
- RA: 20 56 24.09
- Dec: +43 07 46.5
- Discoverer: COU
- Discoverer Number: 2544
- Components:
- First year: 1988
- Last year: 2009
- Observations: 6
- First position angle: 156
- Last position angle: 160
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 8.98
- Mag second component: 9.88
- Spectral type: B0III:
- Primary proper motion RA: 6
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +42 3914
- Notes: