21507+7746
- Unique Name: 21507+7746HDS3110
- RA: 21 50 41.38
- Dec: +77 46 06.6
- Discoverer: HDS
- Discoverer Number: 3110
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 353
- Last position angle: 353
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 8.02
- Mag second component: 11.42
- Spectral type: K0
- Primary proper motion RA: 8
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +77 836
- Notes: