21321+7507
- Unique Name: 21321+7507OSW 63
- RA: 21 32 06.34
- Dec: +75 06 44.8
- Discoverer: OSW
- Discoverer Number: 63
- Components:
- First year: 1953
- Last year: 2003
- Observations: 4
- First position angle: 233
- Last position angle: 233
- First separation: 87.1
- Last separation: 87.2
- Mag first component: 15.8
- Mag second component: 16.5
- Spectral type: K1+K3
- Primary proper motion RA: -4
- Primary proper motion DEC: 14
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: V