02129+5712
- Unique Name: 02129+5712STTA 24AC
- RA: 02 12 55.77
- Dec: +57 12 18.1
- Discoverer: STT
- Discoverer Number: 0
- Components: AC
- First year: 1889
- Last year: 2003
- Observations: 10
- First position angle: 204
- Last position angle: 235
- First separation: 103.0
- Last separation: 106.3
- Mag first component: 7.08
- Mag second component: 12.42
- Spectral type: G2/3V
- Primary proper motion RA: 268
- Primary proper motion DEC: -218
- Secondary proper motion RA: -2
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: NL U