21327+4829
- Unique Name: 21327+4829HJ 1657
- RA: 21 32 43.15
- Dec: +48 28 59.4
- Discoverer: HJ
- Discoverer Number: 1657
- Components:
- First year: 1828
- Last year: 2003
- Observations: 5
- First position angle: 10
- Last position angle: 16
- First separation: 10.0
- Last separation: 23.1
- Mag first component: 9.03
- Mag second component: 12.1
- Spectral type: A2V
- Primary proper motion RA: -9
- Primary proper motion DEC: -20
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -6
- Durchmusterung: +47 3462
- Notes:
