21423-2821
- Unique Name: 21423-2821RST2185
- RA: 21 42 18.97
- Dec: -28 21 14.0
- Discoverer: RST
- Discoverer Number: 2185
- Components:
- First year: 1931
- Last year: 1940
- Observations: 3
- First position angle: 158
- Last position angle: 151
- First separation: 2.4
- Last separation: 2.5
- Mag first component: 11.3
- Mag second component: 14.1
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -18
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -2817412
- Notes: