20249+3404
- Unique Name: 20249+3404A 290
- RA: 20 24 55.16
- Dec: +34 03 39.8
- Discoverer: A
- Discoverer Number: 290
- Components:
- First year: 1901
- Last year: 2009
- Observations: 14
- First position angle: 134
- Last position angle: 310
- First separation: 0.2
- Last separation: 0.5
- Mag first component: 9.13
- Mag second component: 8.68
- Spectral type: A2
- Primary proper motion RA: 11
- Primary proper motion DEC: 0
- Secondary proper motion RA: 11
- Secondary proper motion DEC: 0
- Durchmusterung: +33 3894
- Notes: