12421+5227
- Unique Name: 12421+5227LDS3055
- RA: 12 42 04.16
- Dec: +52 27 47.3
- Discoverer: LDS
- Discoverer Number: 3055
- Components:
- First year: 1960
- Last year: 2001
- Observations: 3
- First position angle: 7
- Last position angle: 8
- First separation: 14.0
- Last separation: 13.8
- Mag first component: 17.6
- Mag second component: 18.5
- Spectral type: M4+M4
- Primary proper motion RA: -145
- Primary proper motion DEC: -32
- Secondary proper motion RA: -146
- Secondary proper motion DEC: -34
- Durchmusterung:
- Notes: V
