20123+3205
- Unique Name: 20123+3205STF2649AD
- RA: 20 12 18.61
- Dec: +32 04 51.8
- Discoverer: STF
- Discoverer Number: 2649
- Components: AD
- First year: 1893
- Last year: 2002
- Observations: 9
- First position angle: 38
- Last position angle: 36
- First separation: 175.4
- Last separation: 176.1
- Mag first component: 7.86
- Mag second component: 10.63
- Spectral type:
- Primary proper motion RA: 16
- Primary proper motion DEC: -22
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: N