21507+2422
- Unique Name: 21507+2422POU5530
- RA: 21 50 37.76
- Dec: +24 21 33.8
- Discoverer: POU
- Discoverer Number: 5530
- Components:
- First year: 1891
- Last year: 2009
- Observations: 7
- First position angle: 34
- Last position angle: 50
- First separation: 16.0
- Last separation: 35.2
- Mag first component: 10.44
- Mag second component: 12.13
- Spectral type: K:V
- Primary proper motion RA: -146
- Primary proper motion DEC: -85
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -9
- Durchmusterung:
- Notes: