21389-4917
- Unique Name: 21389-4917RST1100
- RA: 21 38 53.96
- Dec: -49 17 12.3
- Discoverer: RST
- Discoverer Number: 1100
- Components:
- First year: 1928
- Last year: 1947
- Observations: 2
- First position angle: 88
- Last position angle: 88
- First separation: 1.2
- Last separation: 1.1
- Mag first component: 11.5
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: 30
- Primary proper motion DEC: 15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4913549
- Notes: