20470+3156
- Unique Name: 20470+3156GYL 71
- RA: 20 46 58.78
- Dec: +31 56 09.5
- Discoverer: GYL
- Discoverer Number: 71
- Components:
- First year: 1893
- Last year: 2006
- Observations: 6
- First position angle: 45
- Last position angle: 47
- First separation: 23.3
- Last separation: 24.8
- Mag first component: 11.06
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -10
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: