20123+3205
- Unique Name: 20123+3205STF2649AB
- RA: 20 12 18.61
- Dec: +32 04 51.8
- Discoverer: STF
- Discoverer Number: 2649
- Components: AB
- First year: 1832
- Last year: 2012
- Observations: 35
- First position angle: 152
- Last position angle: 150
- First separation: 26.1
- Last separation: 21.0
- Mag first component: 7.86
- Mag second component: 9.85
- Spectral type: A2
- Primary proper motion RA: 16
- Primary proper motion DEC: -22
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -2
- Durchmusterung: +31 3988
- Notes: NLD
