21594+4520
- Unique Name: 21594+4520LYS 12
- RA: 21 59 24.61
- Dec: +45 20 08.7
- Discoverer: LYS
- Discoverer Number: 12
- Components:
- First year: 1984
- Last year: 2002
- Observations: 3
- First position angle: 62
- Last position angle: 66
- First separation: 6.9
- Last separation: 6.9
- Mag first component: 11.0
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: -25
- Primary proper motion DEC: -11
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: