In the framework of the Magnetism in Massive Stars (MiMeS) project, a HARPSpol Large Program at the 3.6m-ESO telescope has recently started to collect high-resolution spectropolarimetric data of a large number of Southern massive OB stars in the field of the Galaxy and in many young clusters and associations. In this contribution, we present details of the HARPSpol survey, the first HARPSpol discoveries of magnetic fields in massive stars, and the magnetic properties of two previously known magnetic stars.
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