20211+3424
- Unique Name: 20211+3424SEI1096
- RA: 20 21 05.85
- Dec: +34 24 28.5
- Discoverer: SEI
- Discoverer Number: 1096
- Components:
- First year: 1896
- Last year: 2002
- Observations: 7
- First position angle: 55
- Last position angle: 53
- First separation: 8.3
- Last separation: 9.4
- Mag first component: 8.7
- Mag second component: 11.2
- Spectral type: F8
- Primary proper motion RA: -3
- Primary proper motion DEC: -18
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -18
- Durchmusterung: +33 3870
- Notes: