\begin{table}%t1
\caption{\label{Tab1}Journal of observations.}
%\centering
\begin{tabular}{ccccccc} 
 \hline\hline
\MC{1}{c}{ Date } &
\MC{1}{c}{ Telescope }  &
\MC{1}{c}{ Instrument } &
\MC{1}{c}{ Grating,  }  &
\MC{1}{c}{ Wavelength } &
\MC{1}{c}{ Dispersion } &
\MC{1}{c}{ Observed } \\
\par
\MC{1}{c}{ } & & &
\MC{1}{c}{ grism } &
\MC{1}{c}{ range [\AA] } &
\MC{1}{c}{ [\AA/pixel] } &
\MC{1}{c}{ number } \\
\MC{1}{c}{ (1) } &
\MC{1}{c}{ (2) } &
\MC{1}{c}{ (3) } &
\MC{1}{c}{ (4) } &
\MC{1}{c}{ (5) } &
\MC{1}{c}{ (6) } &
\MC{1}{c}{ (7) } \\
\hline
20.05.1996       &          4.5~m MMT  & MMT Spect & R300  & 3700--7400 & 3.2 & 42    \\
11--12.04.2000    &          6~m   BTA  & LSS     & R325    & 3600--7600 & 4.6 & 24     \\  
25.05.2000       &          6~m   BTA  & LSS     & R325    & 3600--7600 & 4.6 &  1     \\   
28.06--04.07.2000 &          2.2~m CAHA & CAFOS   & G-200   & 3700--9500 & 4.5 & 54     \\ 
03.10--31.10.2000 &          6~m   BTA  & LSS     & R651    & 3700--6000 & 2.3 &  5     \\ 
17.01--20.01.2001 &          6~m   BTA  & LSS     & R651    & 3700--6000 & 2.3 & 16     \\ 
16--19.02.2002    &          6~m   BTA  & LSS     & R400    & 3700--7600 & 3.8 & 15     \\ 
14--15.02.2002    &          2.2~m CAHA & CAFOS   & G-200   & 3700--9500 & 4.5 & 14     \\ 
10.12--13.12.2002 &          6~m   BTA  & LSS     & R400    & 3700--7600 & 3.8 & 10     \\ 
24.12.2003       &          6~m   BTA  & LSS     & R400    & 3700--7600 & 3.8 &  4     \\ 
\hline \end{tabular}
\end{table}