12121+6428
- Unique Name: 12121+6428HDS1725
- RA: 12 12 05.51
- Dec: +64 27 49.6
- Discoverer: HDS
- Discoverer Number: 1725
- Components:
- First year: 1991
- Last year: 1991
- Observations: 2
- First position angle: 356
- Last position angle: 356
- First separation: 1.0
- Last separation: 1.0
- Mag first component: 7.73
- Mag second component: 11.45
- Spectral type: K2
- Primary proper motion RA: -28
- Primary proper motion DEC: -4
- Secondary proper motion RA: -27
- Secondary proper motion DEC: -1
- Durchmusterung: +65 874
- Notes: