20239-4225
- Unique Name: 20239-4225SEE 511AD
- RA: 20 23 53.17
- Dec: -42 25 22.2
- Discoverer: SEE
- Discoverer Number: 511
- Components: AD
- First year: 1897
- Last year: 2000
- Observations: 4
- First position angle: 226
- Last position angle: 219
- First separation: 29.3
- Last separation: 29.8
- Mag first component: 5.67
- Mag second component: 14.0
- Spectral type: A5V
- Primary proper motion RA: 11
- Primary proper motion DEC: 34
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes: N