COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS NUMBER 35 Konkoly Observatory Budapest 31 October 1963 OBSERVED MINIMA OF ECLIPSING VARIABLES From brightness estimates made at the mountain station of the Konkoly Observatory (lambda=1h19m35s.6; phi=+47deg55'08") by means of the Expedition Telescope of the Cracow University Observatory the following epochs of minima have been obtained. Minimum O-C Minimum O-C 24382.. 24382.. TT And 88.370 +d.045 U Cep 56.59 +d.07 UU " 67.4936 +.0597 RS " 66.84 -.04 XZ " 58.4276 +.0085 SW Cyg 64.16 +.05 CP " 85.528 - UW " 96.503 +.04 SU Aqr 62.521 -.005 UZ " 83.9 .00 XZ " 67.47 - W Del 53.27 -.04 QY Aql 70.15 -.05 TT " 58.482 +.082 V340" 64.29 +.05 AV " 94.71 -.50 V688" 65.43 +.18 BH " 66.26 +.05 CL Aur 69.504 +.006 BI " 58.53 -.14 YY Boo 90.27 .00 BW " 91.34 -.05 SS Cam 67.76 +.47 Z Dra 88.5218 +.0336 RT CMa 97.71 -.25 RR " 88.493 +.008 AB Cas 88.51 +.02 SX " 69.580 +.055 Minimum O-C Minimum O-C 24382.. 24382.. TZ Eri 83.62 +d.04 AY Mon 97.50 -d.16 SZ Her 56.4938 +0099 CU Peg 68.46 +.06 DI " 87.6 +.1 Z Per 87.4183 -.0124 GL " 66.326 +.048 VY Sct 64.49 -.10 RV Lyr 92.367 +.017 RW Tau 66.4853 -.0096 EW " 56.416 +.008 AX Vul 56.48 +.02 The O-C values relate to the linear ephemerides in Rocznik Astronomiczny Observatorium Krakowskiego No 34. K. KORDYLEWSKI Astronomical Observatory Cracow