20539+4139
- Unique Name: 20539+4139BRT2280
- RA: 20 53 53.27
- Dec: +41 38 44.4
- Discoverer: BRT
- Discoverer Number: 2280
- Components:
- First year: 1892
- Last year: 2006
- Observations: 6
- First position angle: 192
- Last position angle: 189
- First separation: 5.0
- Last separation: 5.0
- Mag first component: 10.5
- Mag second component: 10.6
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 0
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: