21328+5839
- Unique Name: 21328+5839HJ 1659AB
- RA: 21 32 49.63
- Dec: +58 39 29.7
- Discoverer: HJ
- Discoverer Number: 1659
- Components: AB
- First year: 1828
- Last year: 2010
- Observations: 29
- First position angle: 312
- Last position angle: 288
- First separation: 9.0
- Last separation: 7.5
- Mag first component: 8.48
- Mag second component: 9.59
- Spectral type: A0
- Primary proper motion RA: 11
- Primary proper motion DEC: 0
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -11
- Durchmusterung: +58 2283
- Notes: LD
