21345+4559
- Unique Name: 21345+4559HJ 1660
- RA: 21 34 29.20
- Dec: +45 58 17.9
- Discoverer: HJ
- Discoverer Number: 1660
- Components:
- First year: 1828
- Last year: 2003
- Observations: 5
- First position angle: 218
- Last position angle: 257
- First separation: 3.0
- Last separation: 6.6
- Mag first component: 11.6
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -30
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes:
