21378+2339
- Unique Name: 21378+2339POU5443AB
- RA: 21 37 45.43
- Dec: +23 38 40.0
- Discoverer: POU
- Discoverer Number: 5443
- Components: AB
- First year: 1898
- Last year: 2008
- Observations: 4
- First position angle: 215
- Last position angle: 211
- First separation: 17.8
- Last separation: 19.0
- Mag first component: 12.7
- Mag second component: 13.7
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -15
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -23
- Durchmusterung:
- Notes: