20270+4539
- Unique Name: 20270+4539HJ 1518
- RA: 20 26 57.68
- Dec: +45 38 20.3
- Discoverer: HJ
- Discoverer Number: 1518
- Components:
- First year: 1828
- Last year: 2003
- Observations: 8
- First position angle: 87
- Last position angle: 87
- First separation: 10.0
- Last separation: 15.3
- Mag first component: 10.85
- Mag second component: 11.1
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -11
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: