02129+5712
- Unique Name: 02129+5712STTA 24AB
- RA: 02 12 55.77
- Dec: +57 12 18.1
- Discoverer: STT
- Discoverer Number: 0
- Components: AB
- First year: 1875
- Last year: 2012
- Observations: 33
- First position angle: 332
- Last position angle: 333
- First separation: 55.7
- Last separation: 91.1
- Mag first component: 7.08
- Mag second component: 8.76
- Spectral type: G2/3V
- Primary proper motion RA: 268
- Primary proper motion DEC: -218
- Secondary proper motion RA: 137
- Secondary proper motion DEC: 4
- Durchmusterung: +56 449
- Notes: NL U
