16309+2603
- Unique Name: 16309+2603HO 406AB
- RA: 16 30 53.94
- Dec: +26 02 52.2
- Discoverer: HO
- Discoverer Number: 406
- Components: AB
- First year: 1893
- Last year: 2013
- Observations: 11
- First position angle: 350
- Last position angle: 349
- First separation: 5.9
- Last separation: 6.9
- Mag first component: 8.84
- Mag second component: 13.6
- Spectral type: K0
- Primary proper motion RA: -4
- Primary proper motion DEC: -9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +26 2851
- Notes: