21305-4534
- Unique Name: 21305-4534RST1090
- RA: 21 30 30.33
- Dec: -45 33 33.6
- Discoverer: RST
- Discoverer Number: 1090
- Components:
- First year: 1928
- Last year: 1991
- Observations: 3
- First position angle: 68
- Last position angle: 67
- First separation: 1.4
- Last separation: 1.4
- Mag first component: 11.2
- Mag second component: 11.64
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -2
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -2
- Durchmusterung: -4613976
- Notes: