20129+2913
- Unique Name: 20129+2913A 1203BC
- RA: 20 12 56.36
- Dec: +29 12 42.4
- Discoverer: A
- Discoverer Number: 1203
- Components: BC
- First year: 1905
- Last year: 2007
- Observations: 5
- First position angle: 175
- Last position angle: 355
- First separation: 0.3
- Last separation: 0.4
- Mag first component: 11.0
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -3
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: