20171+4127
- Unique Name: 20171+4127ARN 97
- RA: 20 17 01.24
- Dec: +41 26 45.3
- Discoverer: ARN
- Discoverer Number: 97
- Components:
- First year: 1892
- Last year: 2007
- Observations: 6
- First position angle: 221
- Last position angle: 220
- First separation: 12.6
- Last separation: 12.8
- Mag first component: 9.96
- Mag second component: 10.71
- Spectral type: OB
- Primary proper motion RA: -1
- Primary proper motion DEC: -4
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: