21443+4234
- Unique Name: 21443+4234OSO 156AB
- RA: 21 44 20.28
- Dec: +42 34 06.9
- Discoverer: OSO
- Discoverer Number: 156
- Components: AB
- First year: 1994
- Last year: 1998
- Observations: 3
- First position angle: 328
- Last position angle: 331
- First separation: 6.8
- Last separation: 7.6
- Mag first component: 13.82
- Mag second component: 18.1
- Spectral type:
- Primary proper motion RA: 23
- Primary proper motion DEC: -272
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N