20110+3559
- Unique Name: 20110+3559SEI 961
- RA: 20 11 00.13
- Dec: +35 58 09.9
- Discoverer: SEI
- Discoverer Number: 961
- Components:
- First year: 1896
- Last year: 2002
- Observations: 7
- First position angle: 20
- Last position angle: 20
- First separation: 14.3
- Last separation: 13.9
- Mag first component: 11.37
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: -3
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: