COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS NUMBER 310 Konkoly Observatory Budapest 1968 November 7 UV CETI A continual photoelectric monitoring of the flare star UV Cet was done with the 91-cm reflector of the Okayama Station from 14 to 28 October 1968, by the request of the Working Group of UV Ceti stars. During the 38 hours of monitoring 27 flares were observed as shown in the following Table. Some more details will be published in the Tokyo Astronomical Bulletin. Table 1. Flares of UV Cet observed at Okayama, 14 to 28 October, 1968. Date Flares 1968 Time of Monitoring Time of Deltam(B) Duration Integrated Oct. max. intensity 14d 12h50m - 18h20m 14h33.2m 1.11mag 2.0m 0.90mag 17 08.7 0.64 1.7 0.84 15 13 00 - 17 40 14 36.7 0.69 0.3 0.14 15 14.5 0.54 0.3 0.06 15 26.2 1.41 0.7 0.34 18 16.0 3.6 3.5 8.1 17 15 12 - 15 34 15 36 - 15 46 15 59 - 18 22 19 44.7 1.43 0.9 1.05 18 12 02 - 12 15 12 21 - 12 30 12 32 - 13 34 13 45 - 17 12 14 50.7 1.05 \6.5 2.3 14 52.7 0.90 / 19 11 28 - 18 22 14 20.9 0.91 2.9 0.20 15 25.3 0.41 2.0 0.37 16 30.9 0.57 0.3 0.09 16 35.0 0.47 0.3 0.05 17 01.2 0.51 0.6 O.06 17 06.4 0.59 1.8 0.32 24 15 41 - 17 11 15 51.9 1.17 2.3 0.51 25 16 03 - 18 02 26 11 08 - 17 50 11 16.0 0.78 2.0 0.59 13 04.3 0.60 0.3 0.10 13 25.7 0.84 0.3 0.11 13 53.4 0.69 3.4 0.69 13 56.9 1.07 1.2 0.33 27 16 05 - 18 02 16 47.3 3.40 \12.0 \22.2 16 50.1 3.14 / / 28 11 08 - 11 40 15 04 - 16 31 15 44.5 0.59 0.3 0.05 16 14.1 0.54 2.7 0.75 18 49 - 17 32 17 18.0 0.88 3.2 1.02 17 25.3 0.84 2.7 0.57 Tokyo Astronomical Observatory November 1, 1968. K. OSAWA K. ICHIMURA T. NOGUCHI E. WATANABE