20521-3428
- Unique Name: 20521-3428B 999
- RA: 20 52 08.34
- Dec: -34 27 40.0
- Discoverer: B
- Discoverer Number: 999
- Components:
- First year: 1927
- Last year: 1991
- Observations: 10
- First position angle: 336
- Last position angle: 331
- First separation: 1.0
- Last separation: 1.2
- Mag first component: 10.09
- Mag second component: 10.18
- Spectral type: F8
- Primary proper motion RA: -13
- Primary proper motion DEC: 19
- Secondary proper motion RA: -13
- Secondary proper motion DEC: 19
- Durchmusterung: -3414683
- Notes: