COMMISSION 27 OF THE I. A. U.
           INFORMATION BULLETIN ON VARIABLE STARS
                    NUMBER 889

                              Konkoly Observatory
                              Budapest
                              1974 May 17



         ECLIPSE TIMINGS OF CATACLYSMIC VARIABLES




    The following heliocentric times of mid-eclipse of the 
cataclysmic variables T Aur, EM Cyg, U Gem, DQ Her, V Sge, and WZ Sge
have been obtained from observations made at Kitt Peak National
Observatory. A more detailed discussion of these results will be
published elsewhere.

I)  T Aur    O - C
   JD hel.
  2441000 +
   978.918   .007
   980.758   .006
   980.962   .007
   981.984   .006

O - C values are with respect to the elements given by Mumford
(Publ.Astron.Soc. Pacific 79, 283, 1967).

II)   EM Cyg      O - C
      JD hel.
      2441000+
       980.6051   .0046
       982.6432   .0029

O - C values are with respect to the elements given by Mumford
(In Mass Loss from Stars, M. Hack ed., Dordrecht: D.Reidel Pub.Co.,
204, 1969).

III)  U Gem       O - C
      JD hel.
      2441000+
       978.8655   .0058
       979.9269   .0057
       980.9887   .0061
       981.8731   .0060

O - C values are with respect to the elements given by Krzeminski
(Astrophys. J. 142, 1051, 1965).

IV)   DQ Her       O - C
      JD hel.
      2441000+
       979.7034   .0060
       980.6710   .0055
       981.6394   .0058

O - C values are with respect to the elements given by Walker 
(Astrophys. J. 134, 171, 1961).

V) V Sge       O - C
 JD hel.
 2441978.8020  .0080

The residual is with respect to the elements given by Herbig, Preston,
Smak, and Paczynski (Astrophys, J. 141, 617, 1965).

VI) WZ Sge     O - C
 JD hel.
 2441000+
  980.7182     .0001
  981.6819     .0001
  982.5889     .0001

O - C values are with respect to the elements given by Krzeminski
and Smak (Acta Astronom. 21, 133. 1971).





                          G. S. MUMFORD
                          Tufts University
                          Medford, Mass.
                          U.S.A.