20172+0504
- Unique Name: 20172+0504BAL2965
- RA: 20 16 52.48
- Dec: +05 00 27.2
- Discoverer: BAL
- Discoverer Number: 2965
- Components:
- First year: 1910
- Last year: 2000
- Observations: 3
- First position angle: 134
- Last position angle: 103
- First separation: 18.6
- Last separation: 13.8
- Mag first component: 12.5
- Mag second component: 12.6
- Spectral type: A3
- Primary proper motion RA: -107
- Primary proper motion DEC: 12
- Secondary proper motion RA: 37
- Secondary proper motion DEC: -14
- Durchmusterung: +04 4405
- Notes: