20117+3458
- Unique Name: 20117+3458SEI 977
- RA: 20 11 43.26
- Dec: +34 57 25.8
- Discoverer: SEI
- Discoverer Number: 977
- Components:
- First year: 1896
- Last year: 2011
- Observations: 7
- First position angle: 39
- Last position angle: 39
- First separation: 12.9
- Last separation: 15.2
- Mag first component: 11.84
- Mag second component: 11.89
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -15
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: L