10306+5559
- Unique Name: 10306+5559ARN 4AC
- RA: 10 30 37.58
- Dec: +55 58 49.9
- Discoverer: ARN
- Discoverer Number: 4
- Components: AC
- First year: 1991
- Last year: 2004
- Observations: 5
- First position angle: 291
- Last position angle: 292
- First separation: 242.3
- Last separation: 240.6
- Mag first component: 4.88
- Mag second component: 11.44
- Spectral type: F6V
- Primary proper motion RA: -177
- Primary proper motion DEC: -33
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: NU