21190+2423
- Unique Name: 21190+2423POU5331
- RA: 21 18 57.01
- Dec: +24 22 49.5
- Discoverer: POU
- Discoverer Number: 5331
- Components:
- First year: 1898
- Last year: 2009
- Observations: 4
- First position angle: 228
- Last position angle: 233
- First separation: 12.1
- Last separation: 11.8
- Mag first component: 12.7
- Mag second component: 14.6
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -4
- Secondary proper motion RA: -53
- Secondary proper motion DEC: -39
- Durchmusterung:
- Notes: