12420+5107
- Unique Name: 12420+5107ES 728
- RA: 12 41 58.02
- Dec: +51 07 14.4
- Discoverer: ES
- Discoverer Number: 728
- Components:
- First year: 1909
- Last year: 2003
- Observations: 3
- First position angle: 330
- Last position angle: 332
- First separation: 6.4
- Last separation: 6.1
- Mag first component: 10.85
- Mag second component: 15.2
- Spectral type: K0
- Primary proper motion RA: 5
- Primary proper motion DEC: -6
- Secondary proper motion RA: -22
- Secondary proper motion DEC: 35
- Durchmusterung: +51 1779
- Notes: