COMMISSION 27 OF THE I. A. U.
        INFORMATION BULLETIN ON VARIABLE STARS
                     NUMBER 486


                                 Konkoly Observatory
                                 Budapest
                                 1970 November 7


      PHOTOELECTRIC OBSERVATIONS OF UV Cet DURING
   THE INTERNATIONAL CAMPAIGN 22 SEPTEMBER - 9 OCTOBER 1970

      The results of photoelectric observations of the
flare star UV Cet made at the Crimean astrophysical 
Observatory during the International Campaign 22 September-
9 October 1970 are given. The observations were made in the
photometric system B using the 64-cm meniscus telescope.
The time intervals covered with observations are given in
Table I. Table II contains the characteristics of the flares
observed. The light curves are given on Figures.

 			[FIGURE 1]
 			[FIGURE 2]

		         Table I

Date, 1970        U.T.  of coverage
Sept,
27     19 54-19 59, 20 01-20 15, 20 20-20 24, 20 28-20 34,
       20 36-20 47, 20 50-20 51, 20 53-21 06, 21 08-21 25,
       21 27-21 33, 21 35-22 05, 22 06-23 01, 23 03-23 58,
       24 02-24 25
29     19 34-20 45, 20 46-22 48, 22 50-23 10,(23 13-23 34,
       23 40-23 51, 23 54-24 00)
30    (00 00-00 08, 00 10-00 16, 00 17-00 45, 00 49-00 54,
       00 56-01 04),19 40-20 15, 20 17-21 32, 21 35-21 43,
       21 45-22 12
Oct.
1      19 27-20 14, 20 16-22 26, 22 28-22 43, 23 00-23 06,
       23 16-24 00
2      00 00-00 01, 00 11-00 30, 00 34-00 42, 00 48-00 54
8      19 48-21 25, 21 27-23 18, 23 20-24 00
9      00 00-00 23, 00 31-00 35, 00 40-01 07, 01 10-01 11


                               Table II

Date      U.T. of      Durations
1970       flare       before and   Deltam_B  Sigma/I_0   P
          maximum      after max.,                      minutes  
                        minutes
                        tb    ta
Sept. 27  21h08m0*      -     -      0.84      0.08    >1.18
27        21 58.8      0.2   1.2     0.93      0.10     0.48
29        22 37.6      0.1   4.1     1.11      0.11     0.86
30        21 13.4      0.2  10       2.02      0.13     4.40
Oct. 1    20 08.2      0.2   0.8     0.75      0.08     0.68
1         20 09.1      0.1   0.6     1.51      0.08     0.91
2         00 28.8      0.2   1.0     1.54      0.14     1.14
8         21 55.8      0.1   0.5     1.05      0.09     0.33

*The beginning and maximum of this flare were missed.



                        P. F. CHUGAINOV
                  Crimean Astrophysical Observatory
                        G. N. ALEKSEEV
                     Rostov State University