21089+2417
- Unique Name: 21089+2417OSO 142AC
- RA: 21 08 51.92
- Dec: +24 17 02.7
- Discoverer: OSO
- Discoverer Number: 142
- Components: AC
- First year: 1994
- Last year: 1998
- Observations: 2
- First position angle: 292
- Last position angle: 297
- First separation: 17.5
- Last separation: 16.7
- Mag first component: 13.32
- Mag second component: 18.0
- Spectral type:
- Primary proper motion RA: -147
- Primary proper motion DEC: -228
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
