21172+3351
- Unique Name: 21172+3351SLE 379
- RA: 21 17 14.93
- Dec: +33 50 34.1
- Discoverer: SLE
- Discoverer Number: 379
- Components:
- First year: 1934
- Last year: 2012
- Observations: 5
- First position angle: 292
- Last position angle: 289
- First separation: 10.3
- Last separation: 9.0
- Mag first component: 11.23
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -5
- Secondary proper motion RA: 17
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes:
