COMMISSION 27 OF THE I. A. U.
        INFORMATION BULLETIN ON VARIABLE STARS
                     NUMBER 406


                                 Konkoly Observatory
                                 Budapest
                                 1969 November 23



             FLARE ACTIVITY OF UV Ceti

      Observations of UV Ceti were made at Boyden Observatory 
during October 1969 as part of the International
Patrol programme. The telescope used to monitor UV Ceti was
the 40 cm Nishimura Reflector with a Johnson B. Filter and
an E.M.I. type 6256 photomultiplier tube.
      The monitoring details are given in the table, seven
flares being observed.
	
	

                                Total
Date         UT                 hours  Flare    UT of   Duration delta m
                                 per    No.     flare   
                                night
Sept 30   18h14m-19h27m         1h13m
Oct   1   19 11 -20 50          1 39 
      3   18 22 -19 15          0 53 
      5   18 07 -19 41
          20 00 -21 58          3 32 
      7   18 52 -19 33          0 41 
      9   18 10 -20 48
          21 01 -21 24          3 01    1       20h11.0m 1.8m     0.30
     12   18 11 -21 48          3 37    2       20 29.0  4.0      0.91
     13   20 03 -22 11          2 08    3       20 13.5  2.5      0.62
     14   18 04 -21 33          3 29    4       18 58.4  0.5      0.79
                                        5       19 51.8  2.4      0.52
                                        6       21 05.2  7.3      0.61
                                        7       21 18.2  2.0      0.40


                         TOTAL 20h13m

                          [FIGURE 1]


Boyden Observatory
Bloemfontein
Rep. of South Africa                 A.H.JARRETT  J.P.EKSTEEN