Аннотация:The brightness distribution over the edge-on accretion disc is investigated by means of photoelectric UBV observations of eclipses in the close binary system IP Pegasi. The radiation of a hot spot is predominant. The brightness and location of the spot in the disc change depending on the phase of activity. In a quiet state the disc is surrounded by an extended obscure ring, a small sector of which is shining when the star brightness falls down after the outburst. The observations support the model of a strengthening gas flow from the secondary star to explain the cause of outbursts.