20124+2923
- Unique Name: 20124+2923AG 401
- RA: 20 12 20.11
- Dec: +29 22 44.4
- Discoverer: AG
- Discoverer Number: 401
- Components:
- First year: 1894
- Last year: 2009
- Observations: 14
- First position angle: 306
- Last position angle: 306
- First separation: 4.0
- Last separation: 4.0
- Mag first component: 9.41
- Mag second component: 10.2
- Spectral type: A0
- Primary proper motion RA: 10
- Primary proper motion DEC: -15
- Secondary proper motion RA: -32
- Secondary proper motion DEC: 22
- Durchmusterung: +28 3664
- Notes: