COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 1626 Konkoly Observatory Budapest 1979 June 21 FLARE STAR OBSERVATIONS IN THE PLEIADES REGION Four new flare stars and six outburst repetitions of the Pleiades-region flare stars were discovered. The observations were made with the 60/90/180 cm Schmidt telescope at Konkoly Observatory in the winter period of 1975-76. The effective coverage of these observations was 16.0 hours and the method of observations was the common one of multiple and equal exposures of 10 minutes in the U-band. Table 1 No RA D m_u Deltam_u Date 1 3h35.7m +23d27' 18.5m 1.8m 30.12.1975 2 36.1 23 02 17.2 1.7 02.01.1976 3 42.0 22 35 20.0 5.5 31.12.1975 4 42.5 22 25 19.3 4.3 29.12.1975 Table 1 gives some data for the new flare stars found and the columns give: the serial number; the approximate coordinates for 1900.0; the approximate minimum brightness in U-band; the observed amplitude of the flare-up in U-band and the date of the flare up, respectively. The data for the registered flare repetitions of the already known flare stars are presented in Table 2. Table 2 No HII RA D m_u Deltam_u Date 55 2411 3h43.7m +24d01' 16.9 2.0 29.12.1975 139 38.7 23 12 18.3 2.3 29.12.1975 202 39.3 23 03 20.1 3.7 30.12.1975 212 1029 40.5 24 27 16.7 2.0 02.01.1976 352 41.5 22 50 20.0 5.5 31.12.1975 361 33.6 23 56 19.4 4.4 28.12.1975 The Byurakan designation was used and the Hertzsprung numbers are also given. H.S. CHAVUSHIAN I. JANKOVICS Byurakan Observatory Konkoly Observatory