\begin{table}%t1
\caption{\label{stand}Chromospheric standard stars measured at the CASLEO.}
%\centering
\par
\begin{tabular}{lcccc}
\hline\hline
Star         &$S_{\rm MW}$& Log $R'$$_{\rm MW}$ &  $S_{\rm CASLEO}$ &  Log $R'$$_{\rm CASLEO}$ \\
\hline
             &        & September 2003 &               &         \\
\hline
HD~3443 AB   & 0.1823 & $-$4.907         &  0.3706       &  $-$5.077  \\
HD~3795      & 0.1557 & $-$5.038         &  0.3443       &  $-$5.146  \\
HD~9562      & 0.1365 & $-$5.174         &  0.3526       &  $-$5.124  \\
HD~10700     & 0.1712 & $-$4.959         &  0.3739       &  $-$5.066  \\
HD~11131     & 0.3355 & $-$4.428         &  0.4582       &  $-$4.580  \\
HD~16673     & 0.2151 & $-$4.662         &  0.4307       &  $-$4.671  \\
HD~17925     & 0.6478 & $-$4.314         &  0.5870       &  $-$4.263  \\
HD~22049     & 0.4919 & $-$4.458         &  0.5129       &  $-$4.536  \\
HD~30495     & 0.2973 & $-$4.510         &  0.4431       &  $-$4.648  \\
HD~38393     & 0.1514 & $-$4.941         &  0.3842       &  $-$4.946  \\
HD~152391    & 0.3867 & $-$4.461         &  0.5053       &  $-$4.432  \\
HD~158614 AB & 0.1581 & $-$5.028         &  0.3708       &  $-$5.076  \\
\hline
             &        & March 2004       &               &          \\
\hline
HD~23249     & 0.1374 & $-$5.184        &  0.2754       &  $-$5.037  \\
HD~30495     & 0.2973 & $-$4.510        &  0.4007       &  $-$4.414  \\
HD~38392     & 0.5314 & $-$4.497        &  0.4811       &  $-$4.389  \\
HD~38393     & 0.1514 & $-$4.941        &  0.3385       &  $-$5.004  \\
HD~45067     & 0.1409 & $-$5.092        &  0.3178       &  $-$5.094  \\
HD~76151     & 0.2422 & $-$4.670        &  0.3712       &  $-$4.700  \\
HD~81809 AB  & 0.1720 & $-$4.923        &  0.3135       &  $-$5.089  \\
HD~158614    & 0.1581 & $-$5.028        &  0.3138       &  $-$4.944  \\
\hline
\end{tabular} 
\end{table}