21305+4620
- Unique Name: 21305+4620A 768
- RA: 21 30 31.21
- Dec: +46 19 49.3
- Discoverer: A
- Discoverer Number: 768
- Components:
- First year: 1904
- Last year: 1995
- Observations: 11
- First position angle: 333
- Last position angle: 339
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 10.33
- Mag second component: 10.51
- Spectral type: A2
- Primary proper motion RA: -4
- Primary proper motion DEC: -6
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -6
- Durchmusterung: +45 3565
- Notes: