21493+3303
- Unique Name: 21493+3303J 3146
- RA: 21 49 27.76
- Dec: +33 04 39.7
- Discoverer: J
- Discoverer Number: 3146
- Components:
- First year: 1930
- Last year: 1988
- Observations: 4
- First position angle: 297
- Last position angle: 326
- First separation: 2.0
- Last separation: 2.7
- Mag first component: 12.54
- Mag second component: 13.09
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -16
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: B
