COMMISSION 27 OF THE I.A.U.
              INFORMATION BULLETIN ON VARIABLE STARS
                           Number 1255

                                                    Konkoly Observatory
                                                    Budapest
                                                    1977 March 25


                MINIMA OF ECLIPSING VARIABLES

The list below contains 28 heliocentric minima observed,
visually by one of the writers (M. Winiarski) at the Astronomical
Observatory Fort Skala in the years 1964-1967. The times of 
minima and the so-called "limits of error" were obtained by the
tracing-paper method. The O-C values were computed from the linear 
elements given in the General Catalogue of Variable Stars,
3rd ed., Moscow, 1969; "n" denotes the number of observations
used in the determination of minimum.

                        limits
            J.D. hel.  of error  period of observations        O-C      n

RT And    2439054.481  +-.004    1965, Oct. 2-Oct.27          +.006     11
TW And       9053.385:   .005    1965, Sept. 24- Nov.17       +.001     24
TW And       9791.366    .002    1967, Oct. 23-Oct.27         +.009     25
XZ And       9819.330    .004    1967, Aug. 29-Dec.28         +.008     22
CO And       9821.193    .004    1967, Nov. 26-Dec.27         +.006     19
FK Aql       9673.522    .010    1967, July 1-Oct.26          -.006      8
V 343 Aql    9673.376    .005    1967, June 29-July 13        +.016     37
V 343 Aql    9732.397    .005    1967, Aug. 29-Oct.27         +.010     21
BZ Cas       9791.403    .005    1965, Oct.19-1967 Oct. 27    +.031      9
TX Cet       9821.455    .004    1967, Oct..26-Dec.31         +.006     20
BR Cyg       9027.575    .005    1965, Sept.23-Nov.17         +.001     22
BR Cyg       9648.556    .006    1967, May,29-Nov.24          +.008     59
V 687 Cyg    9052.361    .002    1965, Oct. 1-Oct.18          +.012     18
V 687 Cyg    9622.603:   .005    1967, May,11-June,23         +.039      9
V 728 Cyg    9738.441    .003    1967, Sept.4                 +.014     11
GL Her       9690.475    .003    1967, May,29-July,1          +.042     19
VX Lac       8623.466    .002    1964, Aug.15                 -.018     20
VX Lac       9027.470    .003    1965, Sept.21-Oct.19         -.028     31
TT Lyr       9056.222    .003    1965, Oct. 1-Nov.17          +.003     46
TT Lyr       9622.588    .008    1967, May,11-Oct.26          +.046     25
UZ Lyr       9056.331    .003    1965, Oct. 1-Oct.24          +.020     37
V 501 Oph    9640.391:   .003    1967, May,29-June,24         +.019     29
SX Psc       9821.307:   .003    1967, Nov.26                 -.026     12
SV Tau       9054.384    .006    1965, Oct.20-Oct.22          -.059     24
SV Tau       9821.532    .010    1967, Nov.26                 +.003      9
XY UMa       9622.309    .004    1967, May,11-Nov.26          +.004     15
BE Vul       8635.369    .003    1964, Aug.27                 -.001     16
BE Vul       9622.488    .004    1967, May,11-Nov.26          +.016     19


         J.M. KREINER                 M. WINIARSKI

     Silesian University,         Astronomical Observatory
  Katowice, Inst. of Physics      of the Jagiellonian Univ.
   Astronomical Laboratory             Cracow, Poland