03521+4121
- Unique Name: 03521+4121COU1520
- RA: 03 52 06.54
- Dec: +41 21 07.4
- Discoverer: COU
- Discoverer Number: 1520
- Components:
- First year: 1978
- Last year: 1997
- Observations: 3
- First position angle: 262
- Last position angle: 263
- First separation: 1.6
- Last separation: 1.6
- Mag first component: 10.85
- Mag second component: 11.2
- Spectral type: K0
- Primary proper motion RA: 44
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +40 846
- Notes: