21215+3719
- Unique Name: 21215+3719ROE 23CD
- RA: 21 21 27.78
- Dec: +37 17 47.9
- Discoverer: ROE
- Discoverer Number: 23
- Components: CD
- First year: 1909
- Last year: 2002
- Observations: 5
- First position angle: 86
- Last position angle: 262
- First separation: 10.0
- Last separation: 12.8
- Mag first component: 11.42
- Mag second component: 11.82
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 4
- Secondary proper motion RA: -17
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes:
