Abstract
An optical polarization map for the starburst galaxy NGC 1808 is presented. On kiloparsec scales the polarization orientations follow the spiral arms, indicative of a magnetic field that is coherent on a galactic scale. The inner parts (<750 pc) of the galaxy show a polarization pattern that is typical of a huge reflection nebula illuminated from within the central activity. Although the galactic nucleus is the dominant illuminating source of this nebula, the other hotspots make varying contributions to the illumination. The inner reflection nebula is very reminiscent of the one in the archetypal starburst galaxy M82
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