21224+3940
- Unique Name: 21224+3940ALI1161
- RA: 21 22 28.45
- Dec: +39 39 38.4
- Discoverer: ALI
- Discoverer Number: 1161
- Components:
- First year: 1928
- Last year: 2002
- Observations: 3
- First position angle: 301
- Last position angle: 294
- First separation: 14.4
- Last separation: 15.4
- Mag first component: 11.89
- Mag second component: 13.66
- Spectral type:
- Primary proper motion RA: 9
- Primary proper motion DEC: 5
- Secondary proper motion RA: -14
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: