05210+3728
- Unique Name: 05210+3728SEI 203AB
- RA: 05 20 58.51
- Dec: +37 28 30.7
- Discoverer: SEI
- Discoverer Number: 203
- Components: AB
- First year: 1895
- Last year: 2008
- Observations: 7
- First position angle: 251
- Last position angle: 252
- First separation: 21.9
- Last separation: 21.4
- Mag first component: 11.46
- Mag second component: 13.47
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -9
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: