03559+3209
- Unique Name: 03559+3209BU 540AC
- RA: 03 55 54.85
- Dec: +32 09 17.8
- Discoverer: BU
- Discoverer Number: 540
- Components: AC
- First year: 1878
- Last year: 2013
- Observations: 21
- First position angle: 57
- Last position angle: 58
- First separation: 57.1
- Last separation: 56.8
- Mag first component: 9.07
- Mag second component: 8.67
- Spectral type: A0
- Primary proper motion RA: 8
- Primary proper motion DEC: -13
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -10
- Durchmusterung: +31 670
- Notes: Z