21519-0509
- Unique Name: 21519-0509SCA 103AB
- RA: 21 51 56.93
- Dec: -05 09 30.3
- Discoverer: SCA
- Discoverer Number: 103
- Components: AB
- First year: 1892
- Last year: 2012
- Observations: 8
- First position angle: 306
- Last position angle: 309
- First separation: 58.3
- Last separation: 56.5
- Mag first component: 11.06
- Mag second component: 11.33
- Spectral type:
- Primary proper motion RA: -40
- Primary proper motion DEC: -25
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -12
- Durchmusterung: -05 5652
- Notes: