20523+2839
- Unique Name: 20523+2839BRT 52
- RA: 20 52 18.31
- Dec: +28 38 47.7
- Discoverer: BRT
- Discoverer Number: 52
- Components:
- First year: 1894
- Last year: 2009
- Observations: 9
- First position angle: 87
- Last position angle: 87
- First separation: 8.1
- Last separation: 8.4
- Mag first component: 9.42
- Mag second component: 10.66
- Spectral type: G0
- Primary proper motion RA: -2
- Primary proper motion DEC: 3
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 0
- Durchmusterung: +28 3910
- Notes: