21152+2753
- Unique Name: 21152+2753COU 531
- RA: 21 15 14.73
- Dec: +27 52 44.7
- Discoverer: COU
- Discoverer Number: 531
- Components:
- First year: 1970
- Last year: 2009
- Observations: 10
- First position angle: 142
- Last position angle: 143
- First separation: 0.7
- Last separation: 0.9
- Mag first component: 11.0
- Mag second component: 11.42
- Spectral type: F8
- Primary proper motion RA: -8
- Primary proper motion DEC: -11
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -11
- Durchmusterung: +27 4020
- Notes: