04218+5002
- Unique Name: 04218+5002STF 521
- RA: 04 21 45.39
- Dec: +50 02 06.5
- Discoverer: STF
- Discoverer Number: 521
- Components:
- First year: 1828
- Last year: 2008
- Observations: 20
- First position angle: 253
- Last position angle: 259
- First separation: 2.0
- Last separation: 2.0
- Mag first component: 7.44
- Mag second component: 9.17
- Spectral type: G0
- Primary proper motion RA: 3
- Primary proper motion DEC: -5
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -5
- Durchmusterung: +49 1165
- Notes: