21588+2427
- Unique Name: 21588+2427COU 839
- RA: 21 58 47.95
- Dec: +24 27 03.7
- Discoverer: COU
- Discoverer Number: 839
- Components:
- First year: 1972
- Last year: 1995
- Observations: 4
- First position angle: 116
- Last position angle: 104
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 11.2
- Mag second component: 11.2
- Spectral type: F5
- Primary proper motion RA: 10
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4438
- Notes: