20339+4034
- Unique Name: 20339+4034AG 409
- RA: 20 33 54.23
- Dec: +40 33 52.7
- Discoverer: AG
- Discoverer Number: 409
- Components:
- First year: 1892
- Last year: 2004
- Observations: 20
- First position angle: 267
- Last position angle: 267
- First separation: 9.3
- Last separation: 9.9
- Mag first component: 9.4
- Mag second component: 9.92
- Spectral type: F5
- Primary proper motion RA: 38
- Primary proper motion DEC: 25
- Secondary proper motion RA: 41
- Secondary proper motion DEC: 26
- Durchmusterung: +40 4233
- Notes: D