20178+0612
- Unique Name: 20178+0612AG 251AB
- RA: 20 17 46.09
- Dec: +06 11 37.8
- Discoverer: AG
- Discoverer Number: 251
- Components: AB
- First year: 1894
- Last year: 2013
- Observations: 21
- First position angle: 187
- Last position angle: 185
- First separation: 9.0
- Last separation: 7.3
- Mag first component: 8.61
- Mag second component: 10.0
- Spectral type: A3
- Primary proper motion RA: -4
- Primary proper motion DEC: 4
- Secondary proper motion RA: -5
- Secondary proper motion DEC: 2
- Durchmusterung: +05 4469
- Notes: