\begin{table}%t1
\caption{VLT observation log for GRB~051227.
}
%\centerline
{
\begin{tabular}{ccccccc} \hline\hline
Mean time          &  Exposure time             & Time since GRB & Seeing    &  Instrument  &  Magnitude          & Filter \\
(UT)               &  (s)                       & (days)         & (\arcsec) &              &                     &        \\ \hline
2005 Dec.  28.23379 &  $10 \times 240$           &  0.47874   	 & 1.3       & VLT/FORS1    & $24.55 \pm 0.11$    & $R$    \\
2005 Dec.  29.21398 &  $11 \times 300$           &  1.45803     	 & 1.1       & VLT/FORS1    & $25.59 \pm 0.18$    & $R$    \\
2005 Dec.  31.25894 &  $18 \times 360$           &  3.50299     	 & 0.9       & VLT/FORS1    & $25.49 \pm 0.09$    & $R$    \\
2006 Jan.  02.26486 &  $20 \times 360$           &  5.50891       & 1.0       & VLT/FORS1    & $25.73 \pm 0.11$    & $V$    \\
2006 Jan.  06.27768 &  $12 \times 300$           &  9.52173     	 & 1.0       & VLT/FORS1    & $26.06 \pm 0.15$    & $B$    \\
2006 Jan.  06.29822 &  $6  \times 300$           &  9.54227     	 & 1.0       & VLT/FORS2    & $25.10 \pm 0.40$    & $I$    \\
2006 Mar.  30.07032 &  $30 \times 4 \times 30$   & 92.31437       & 1.0       & VLT/ISAAC    & ${>}23.1 $           & $J$    \\ \hline
\end{tabular}}
\medskip
 Magnitudes are in the Vega system and are not corrected for
Galactic absorption. Errors and upper limits are given at $1\sigma$ and $3\sigma$ confidence level respectively.
\label{tab_log1}
\end{table}