\begin{table}%T1
%\centering
\par
\caption{\label{table_obslog}Log of observations.}
\begin{tabular}{lccc}
\hline
\hline\noalign{\smallskip}
UT date & Coverage & Filter/Grating & Exp.\\   
 & (h) & & (s)\\   
\hline\noalign{\smallskip}
%
\multicolumn{4}{c}{\textbf{\object{DM~Gem}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.2-m FLWO CCD photometry}} \\
2004 Mar. 11    & 3.98   & White light & 30\\
2004 Mar. 14    & 1.28   & White light & 30\\
2004 Mar. 15    & 4.87   & White light & 30\\
2004 Mar. 16    & 4.87   & White light & 30\\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.5-m FLWO, FAST spectroscopy}} \\
2004 Mar. 15    & --   & 300 l/mm & 1200\\
%
\hline\noalign{\smallskip}
\multicolumn{4}{c}{\textbf{\object{CP Lac}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.0-m ${\vec{ JKT}}$ CCD photometry}} \\
2002 Oct. 28    & 4.80   & White light & 10\\
2002 Oct. 29    & 6.72   & White light & 10\\
2002 Oct. 30    & 6.85   & White light & 10\\
2002 Oct. 31    & 5.73   & White light & 10\\
%
\hline\noalign{\smallskip}
\multicolumn{4}{c}{\textbf{\object{GI Mon}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.0-m ${\vec{JKT}}$ CCD photometry}} \\
2002 Nov. 02    & 3.62   & White light & 15\\
2002 Nov. 04    & 3.88   & White light & 15\\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.2-m FLWO CCD photometry}} \\
2004 Mar. 17    & 3.84   & White light & 20\\
2004 Mar. 18    & 4.04   & White light & 20\\
%
\hline\noalign{\smallskip}
\multicolumn{4}{c}{\textbf{\object{V400 Per}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.0-m ${\vec {JKT}}$ CCD photometry}} \\
2002 Nov. 03    & 1.57   & $B$ & 360\\
2002 Nov. 04    & 6.03   & $B$ & 360\\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{0.82-m IAC80 CCD photometry}} \\
2003 Jan. 03    & 4.94   & $B$ & 1200\\
%
\hline\noalign{\smallskip}
\multicolumn{4}{c}{\textbf{\object{CT Ser}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.2-m FLWO CCD photometry}} \\
2004 Mar. 09    & 3.18   & White light & 20\\
2004 Mar. 10    & 2.17   & White light & 20\\
2004 Mar. 14    & 3.02   & White light & 20\\
2004 Mar. 15    & 3.70   & White light & 20\\
2004 Mar. 16    & 4.50   & White light & 20\\
\hline\noalign{\smallskip}
\multicolumn{4}{c}{\textbf{\object{XX Tau}}} \\
\noalign{\smallskip}
\multicolumn{4}{l}{\textbf{1.0-m ${\vec{JKT}}$ CCD photometry}} \\
2002 Oct. 28    & 4.90   & White light & 240\\
2002 Oct. 29    & 4.20   & White light & 150\\
2002 Oct. 30    & 4.08   & White light & 180\\
2002 Oct. 31    & 3.75   & White light & 150\\
2002 Nov. 02    & 6.77   & White light & 150\\
%
\noalign{\smallskip}\hline
\end{tabular}
\end{table}