21565+5948
- Unique Name: 21565+5948STT 458AC
- RA: 21 56 27.30
- Dec: +59 47 42.4
- Discoverer: STT
- Discoverer Number: 458
- Components: AC
- First year: 1878
- Last year: 2003
- Observations: 6
- First position angle: 33
- Last position angle: 24
- First separation: 22.7
- Last separation: 21.6
- Mag first component: 7.2
- Mag second component: 12.6
- Spectral type: A0V
- Primary proper motion RA: 22
- Primary proper motion DEC: 0
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: