20309+4913
- Unique Name: 20309+4913S 755AB
- RA: 20 30 52.72
- Dec: +49 12 47.5
- Discoverer: S
- Discoverer Number: 755
- Components: AB
- First year: 1780
- Last year: 2012
- Observations: 26
- First position angle: 277
- Last position angle: 278
- First separation: 30.0
- Last separation: 60.2
- Mag first component: 6.64
- Mag second component: 9.72
- Spectral type: A2
- Primary proper motion RA: 1
- Primary proper motion DEC: -12
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -16
- Durchmusterung: +48 3148
- Notes: N D
