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Chies-Santos (U Utrecht), C.U. Keller (U Utrecht), H. Canovas (U Utrecht), L.B.F.M. Waters (SRON, M. De Juan Ovelar (U Utrecht), M. Min (U Utrecht), M. Rodenhuis (U Utrecht), S.V. Jeffers (U Utrecht), U Amsterdam)","submitted_at":"2012-03-06T18:02:08Z","abstract_excerpt":"We present recent polarimetric images of the highly variable star R CrB using ExPo and archival WFPC2 images from the HST. We observed R CrB during its current dramatic minimum where it decreased more than 9 mag due to the formation of an obscuring dust cloud. Since the dust cloud is only in the line-of-sight, it mimics a coronograph allowing the imaging of the star's circumstellar environment. Our polarimetric observations surprisingly show another scattering dust cloud at approximately 1.3\" or 2000 AU from the star. 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