21393-3018
- Unique Name: 21393-3018SEE 451
- RA: 21 39 19.96
- Dec: -30 18 15.9
- Discoverer: SEE
- Discoverer Number: 451
- Components:
- First year: 1896
- Last year: 2000
- Observations: 9
- First position angle: 257
- Last position angle: 257
- First separation: 12.0
- Last separation: 12.2
- Mag first component: 7.5
- Mag second component: 12.5
- Spectral type: M3/4III
- Primary proper motion RA: -8
- Primary proper motion DEC: -2
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -7
- Durchmusterung: -3018752
- Notes: D