21252+1828
- Unique Name: 21252+1828ARY 70AC
- RA: 21 25 09.48
- Dec: +18 27 45.4
- Discoverer: ARY
- Discoverer Number: 70
- Components: AC
- First year: 1895
- Last year: 2007
- Observations: 12
- First position angle: 99
- Last position angle: 98
- First separation: 61.5
- Last separation: 62.5
- Mag first component: 8.0
- Mag second component: 9.9
- Spectral type: A0
- Primary proper motion RA: 9
- Primary proper motion DEC: -5
- Secondary proper motion RA: 23
- Secondary proper motion DEC: 3
- Durchmusterung: +17 4578
- Notes: