21565+5948
- Unique Name: 21565+5948STT 458AB
- RA: 21 56 27.30
- Dec: +59 47 42.4
- Discoverer: STT
- Discoverer Number: 458
- Components: AB
- First year: 1846
- Last year: 2011
- Observations: 35
- First position angle: 350
- Last position angle: 348
- First separation: 0.7
- Last separation: 1.0
- Mag first component: 7.2
- Mag second component: 8.41
- Spectral type: A0V
- Primary proper motion RA: 22
- Primary proper motion DEC: -2
- Secondary proper motion RA: 22
- Secondary proper motion DEC: -2
- Durchmusterung: +59 2436
- Notes: