16309+2603
- Unique Name: 16309+2603HO 406AC
- RA: 16 30 53.94
- Dec: +26 02 52.2
- Discoverer: HO
- Discoverer Number: 406
- Components: AC
- First year: 1892
- Last year: 2013
- Observations: 15
- First position angle: 22
- Last position angle: 21
- First separation: 26.3
- Last separation: 28.0
- Mag first component: 8.84
- Mag second component: 11.49
- Spectral type: K0
- Primary proper motion RA: -5
- Primary proper motion DEC: -11
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: