20208+5639
- Unique Name: 20208+5639STI2520
- RA: 20 20 42.58
- Dec: +56 38 56.1
- Discoverer: STI
- Discoverer Number: 2520
- Components:
- First year: 1917
- Last year: 2003
- Observations: 3
- First position angle: 158
- Last position angle: 162
- First separation: 10.1
- Last separation: 10.8
- Mag first component: 12.15
- Mag second component: 12.48
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -4
- Secondary proper motion RA: -6
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: