21089+2417
- Unique Name: 21089+2417OSO 142AB
- RA: 21 08 51.92
- Dec: +24 17 02.7
- Discoverer: OSO
- Discoverer Number: 142
- Components: AB
- First year: 1994
- Last year: 1998
- Observations: 2
- First position angle: 48
- Last position angle: 49
- First separation: 12.7
- Last separation: 14.0
- Mag first component: 13.32
- Mag second component: 17.7
- Spectral type:
- Primary proper motion RA: -147
- Primary proper motion DEC: -228
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
