COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS NUMBER 434 Konkoly Observatory Budapest 1970 April 28 FLARE PHOTOMETRY OF UV CETI Recent observations have been made from Boyden Observatory of UV Ceti over the period 6 - 11 th December 1969. The 40 cm Nishimura Reflector was used for these observations along with a Johnson B.Filter and a C02 cooled E.M.I. type 6256 photomultiplier tube. Over a monitoring time of 7h28m, seven flares were recorded. These observations were undertaken as part of the flare star program of the Department of Astronomy of the University of the Orange Free State. UV Ceti Date U.T. Total Flare U.T. of Duration delta m Dec hours No. flare per night 9 18h44m-19h50m 0h45m 1 19h09.5m 1.9m 0.66 10 18 35 -22 02 3 27 2 19 50.7 1.5 0.64 3 20 41.0 3.0 1.00 11 18 42 -21 58 3 16 4 20 09.1 4.9 0.78 5 20 23.3 2.2 0.60 6 20 28.0 1.5 0.50 7 21 14.5 8.5 1.58 Total 7h28 [FIGURE 1] [FIGURE 2] [FIGURE 3] A.H.JARRETT and J.P.EKSTEEN Boyden Observatory Department of Astronomy University of the Orange Free State Bloemfontein Rep. of South Africa