\begin{table}%t2
\caption{\label{tab:LaSillaObs}Journal of observations for \object{NGC~6253} taken in June~14$-$23, $2004$ at La~Silla in $R$~filter.}
%\centering
\small
\begin{tabular}{c c c c c c c}
\hline \hline
 Night & UT(start) & UT(end) & Hours & Seeing (arcsec) & Exp (s) & N.imm. \\
\hline
    I    &   1:40  &   9:47   & 4.16  &  0.9(0.2) &  70--600 &  86 \\
   II    &  23:46  &   9:50   & 5.28  &  0.7(0.2) &   3--400 & 143 \\
  III    &  23:06  &   9:31   & 5.79  &  0.8(0.1) &  70--900 & 126 \\
   IV    &   4:26  &   8:54   & 3.92  &  1.7(0.2) & 300--900 &  24 \\
    V    &  23:29  &   9:26   & 4.06  &  0.8(0.1) &   3--185 & 142 \\
   VI    &  23:20  &   9:35   & 5.83  &  1.0(0.2) &  90--400 & 154 \\
  VII    &  22:58  &   5:08   & 4.01  &  1.7(0.2) & 100--900 &  40 \\
 VIII    &   7:58  &   9:05   & 1.75  &  1.9(0.2) & 100--900 &   6 \\
   IX    &  22:32  &   6:29   & 4.67  &  1.4(0.2) & 100--900 &  61 \\
    X    &  23:03  &   9:35   & 5.81  &  1.2(0.2) & 100--650 & 124 \\
\hline
\end{tabular}
\end{table}