20339+3515
- Unique Name: 20339+3515BU 1490AC
- RA: 20 33 54.19
- Dec: +35 15 03.1
- Discoverer: BU
- Discoverer Number: 1490
- Components: AC
- First year: 1880
- Last year: 2013
- Observations: 12
- First position angle: 190
- Last position angle: 210
- First separation: 117.6
- Last separation: 115.1
- Mag first component: 4.82
- Mag second component: 11.87
- Spectral type: K2Ib+B3V
- Primary proper motion RA: 2
- Primary proper motion DEC: -5
- Secondary proper motion RA: -22
- Secondary proper motion DEC: -35
- Durchmusterung:
- Notes: N