AUTHOR: E. Zocłońska, Nicolaus Copernicus Astronomical Center Polish Academy of Sciences, Warsawa, Poland TITLE: Epsilon Persei and Epsilon Centauri observed by BRITE constellations ABSTRACT: I will talk about BRITE observations of two Beta Cephei stars: Epsilon Persei and Epsilon Centauri. I will tell about BRITE constelation in general, BRITE lightcurve public archive and data reduction. I'll show the preliminary results of Eps Per and Eps Cen analysis (photometry from BRITE, spectroscopy from ground).