21210+3304
- Unique Name: 21210+3304J 1229
- RA: 21 21 00.12
- Dec: +33 04 56.9
- Discoverer: J
- Discoverer Number: 1229
- Components:
- First year: 1915
- Last year: 2001
- Observations: 11
- First position angle: 296
- Last position angle: 303
- First separation: 1.4
- Last separation: 2.2
- Mag first component: 10.69
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: 70
- Primary proper motion DEC: -48
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: