02421+3445
- Unique Name: 02421+3445ES 2276AB
- RA: 02 42 04.50
- Dec: +34 45 11.9
- Discoverer: ES
- Discoverer Number: 2276
- Components: AB
- First year: 1927
- Last year: 2013
- Observations: 9
- First position angle: 46
- Last position angle: 49
- First separation: 31.3
- Last separation: 30.9
- Mag first component: 10.9
- Mag second component: 11.15
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: -5
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -28
- Durchmusterung: +34 498
- Notes: