21215+3719
- Unique Name: 21215+3719ROE 24AB
- RA: 21 21 33.43
- Dec: +37 17 51.8
- Discoverer: ROE
- Discoverer Number: 24
- Components: AB
- First year: 1909
- Last year: 2002
- Observations: 5
- First position angle: 169
- Last position angle: 168
- First separation: 9.9
- Last separation: 10.4
- Mag first component: 11.98
- Mag second component: 11.53
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -20
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: