17309-5621
- Unique Name: 17309-5621FIN 257
- RA: 17 30 56.97
- Dec: -56 20 40.5
- Discoverer: FIN
- Discoverer Number: 257
- Components:
- First year: 1930
- Last year: 2008
- Observations: 5
- First position angle: 327
- Last position angle: 228
- First separation: 0.5
- Last separation: 0.2
- Mag first component: 9.5
- Mag second component: 9.9
- Spectral type: G2
- Primary proper motion RA: -23
- Primary proper motion DEC: -52
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -56 8298
- Notes: