05421+2135
- Unique Name: 05421+2135A 2110AB
- RA: 05 42 05.81
- Dec: +21 34 49.0
- Discoverer: A
- Discoverer Number: 2110
- Components: AB
- First year: 1910
- Last year: 1991
- Observations: 13
- First position angle: 116
- Last position angle: 124
- First separation: 0.4
- Last separation: 0.5
- Mag first component: 9.5
- Mag second component: 9.7
- Spectral type: A0
- Primary proper motion RA: 14
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +21 937
- Notes: