COMMISSION 27 OF THE I. A. U.
       INFORMATION BULLETIN ON VARIABLE STARS
                    NUMBER 201

                               Konkoly Observatory
                               Budapest
                               22 May 1967


 PHOTOELECTRIC HELIOCENTRIC MINIMA OF ECLIPSING VARIABLES


           Minimum         m.e.    Col.  Epoch         O-C

DO Cas=BD +59d529
           2437960.5047  +-0.0003   y    +5892.0     -0.0044
              7960.5045         3   b     5892.0          46

VW Cep=BD +75d752
           2439348.4145  +-0.0002   y   +19575.0     -0.0302
                  .4144         3   b      "         - .0303
               348.5543        12   y    19575.5     - .0295
                  .5548         5   b      "         -. 0290
               350.3623         1   y    19582.0     - .0306
                  .3626         1   b      "         - .0303
               350.5031         2   y    19582.5     - .0290
                  .5033         1   b      "         - .0288
               351.3385         6   y    19585.5     - .0285
                  .3383        11   b      "         - .0287
               364.5574         3   y    19633.0     - .0297
                  .5575         3   b      "         - .0296
               370.4027         3   y    19654.0     - .0290
                  .4035         2   b      "         - .0282
               372.3512         2   y    19661.0     - .0287
                  .3514         4   b      "         - .0285
               372.4898         3   y    19661.5     - .0293
                  .4910         7   b      "         - .0281
               373.3242         4   u    19664.5     - .0298
               375.4124         1   y    19672.0     - .0290
                  .4125         2   b      "         - .0289
                  .4128         5   u      "         - .0286
               375.5512         2   y    19672.5     - .0294
                  .5506         4   b      "         - .0300
                  .5504         6   u      "         - .0302

AR Lac=BD +45d3813
           2439376.4924  +-0.0003   y   + 911.0      -0.0087
                  .4928         3   b      "         - .0083
               383.4384         7   y     914.5      - .0039
                  .4389         8   b      "         - .0034

W UMa=BD +56d1400
           2438849.4311  +-0.0005   b   +6707.0      +0.0021
                  .4311         5   y      "         + .0021
               851.4331         4   b    6713.0      + .0022
                  .4322         8   y      "         + .0013
               853.4351         9   b    6719.0      + .0024
                  .4348         3   y      "         + .0021
              9187.4068         3   y    7720.0      + .0021
               187.5735         2   y    7720.5      + .0019
               205.42297       08   b    7774.0      + .0018
               205.5906         4   b    7774.5      + .0026
               206.42408       07   u    7777.0      + .0020
               531.38784       07   y    8751.0      + .0019

The O-C's refer to the Ephemerides of the International Supplement to the
Rocznik Astronomiczny - Obs. Krakowskiego - No 37, 86, 1965.


Trieste Observatory
May, 1967
                                          B. CESTER