20409-4224
- Unique Name: 20409-4224I 1121BC
- RA: 20 40 54.05
- Dec: -42 23 38.4
- Discoverer: I
- Discoverer Number: 1121
- Components: BC
- First year: 1901
- Last year: 1999
- Observations: 5
- First position angle: 248
- Last position angle: 244
- First separation: 5.5
- Last separation: 8.9
- Mag first component: 10.4
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: 15
- Primary proper motion DEC: 15
- Secondary proper motion RA: -32
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: