21556-2108
- Unique Name: 21556-2108HJ 3065AB
- RA: 21 55 38.39
- Dec: -21 08 23.6
- Discoverer: HJ
- Discoverer Number: 3065
- Components: AB
- First year: 1830
- Last year: 1999
- Observations: 5
- First position angle: 139
- Last position angle: 127
- First separation: 18.0
- Last separation: 41.5
- Mag first component: 7.34
- Mag second component: 13.06
- Spectral type: M3III
- Primary proper motion RA: -37
- Primary proper motion DEC: -30
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -10
- Durchmusterung: -21 6120
- Notes:
