20123+3205
- Unique Name: 20123+3205STF2649AC
- RA: 20 12 18.61
- Dec: +32 04 51.8
- Discoverer: STF
- Discoverer Number: 2649
- Components: AC
- First year: 1893
- Last year: 2012
- Observations: 12
- First position angle: 285
- Last position angle: 284
- First separation: 128.2
- Last separation: 131.2
- Mag first component: 7.86
- Mag second component: 11.41
- Spectral type: A2
- Primary proper motion RA: 16
- Primary proper motion DEC: -22
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: N
