05172+3320
- Unique Name: 05172+3320STF 666
- RA: 05 17 05.80
- Dec: +33 19 47.2
- Discoverer: STF
- Discoverer Number: 666
- Components:
- First year: 1821
- Last year: 2012
- Observations: 65
- First position angle: 75
- Last position angle: 76
- First separation: 4.0
- Last separation: 3.1
- Mag first component: 7.85
- Mag second component: 7.89
- Spectral type: A3V
- Primary proper motion RA: 0
- Primary proper motion DEC: 0
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 0
- Durchmusterung: +33 991
- Notes: N D