20408+1956
- Unique Name: 20408+1956BUP 215AB
- RA: 20 40 45.14
- Dec: +19 56 07.9
- Discoverer: BUP
- Discoverer Number: 215
- Components: AB
- First year: 1909
- Last year: 1992
- Observations: 4
- First position angle: 25
- Last position angle: 25
- First separation: 98.8
- Last separation: 71.2
- Mag first component: 6.45
- Mag second component: 11.9
- Spectral type: G5V
- Primary proper motion RA: 118
- Primary proper motion DEC: 310
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +19 4484
- Notes: NU
