21142+3058
- Unique Name: 21142+3058COU 834
- RA: 21 14 09.87
- Dec: +30 57 41.4
- Discoverer: COU
- Discoverer Number: 834
- Components:
- First year: 1972
- Last year: 1998
- Observations: 4
- First position angle: 77
- Last position angle: 78
- First separation: 7.6
- Last separation: 7.8
- Mag first component: 7.9
- Mag second component: 11.3
- Spectral type: A0
- Primary proper motion RA: 3
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +30 4365
- Notes: