17209+2430
- Unique Name: 17209+2430S 687BC
- RA: 17 21 07.77
- Dec: +24 32 02.4
- Discoverer: S
- Discoverer Number: 687
- Components: BC
- First year: 1894
- Last year: 2002
- Observations: 7
- First position angle: 315
- Last position angle: 314
- First separation: 146.1
- Last separation: 146.5
- Mag first component: 9.33
- Mag second component: 12.58
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: 1
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: N