21590+3839
- Unique Name: 21590+3839COU1339
- RA: 21 59 06.41
- Dec: +38 38 46.0
- Discoverer: COU
- Discoverer Number: 1339
- Components:
- First year: 1974
- Last year: 2003
- Observations: 3
- First position angle: 263
- Last position angle: 263
- First separation: 1.3
- Last separation: 1.3
- Mag first component: 10.56
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +37 4464
- Notes: