21078+7123
- Unique Name: 21078+7123HDS3012
- RA: 21 07 46.93
- Dec: +71 22 54.7
- Discoverer: HDS
- Discoverer Number: 3012
- Components:
- First year: 1991
- Last year: 1991
- Observations: 2
- First position angle: 189
- Last position angle: 189
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 8.59
- Mag second component: 12.26
- Spectral type: K2
- Primary proper motion RA: 13
- Primary proper motion DEC: 16
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 15
- Durchmusterung: +70 1167
- Notes: