\begin{table}%t1
    \caption{\label{log}Log of the  observations. For the NOT  and CAHA the
      observation are  cycles of~4~images, ($4 \times  T_{\rm exp}$) with
      the plate  rotator at  0, 22.5, 45,  67.5 degrees.  The $R$-band
      magnitudes  are calibrated using the  standard stars
      given by Hicken et~al. (\cite{Hick06}).}
      \small%\centering
\par
\begin{tabular}{ccccccc}
   \hline\hline 
 Days from GRB & Telescope    &Exposure Time& Seeing & Magnitude &$P$&$\theta$\\ 
   $t-t_0$  & (+Instrument)&  s    &  $''$    & $R$-band  &\%&   degrees\\
   \hline
 2.569954 -- 2.597558 &0.7~m AZT-8(+ST-7)&$2 \times (10\times 90)$& 3.0 &$17.99\pm 0.03$&$2.61\pm1.80$&$157.82\pm 16.47$\\
 3.579178 -- 3.600764 &0.7~m AZT-8(+ST-7)&$2 \times (10\times 90)$& 3.8 &$17.88\pm 0.02$&$4.53\pm1.52$&$143.64\pm  7.18$\\ 
 4.555046 -- 4.599144 &0.7~m AZT-8(+ST-7)&$2 \times (20\times 90)$& 3.3 &$17.68\pm 0.02$&$4.06\pm1.63$&$143.86\pm  7.98$\\
 5.565510 -- 5.612326 &0.7~m AZT-8(+ST-7)&$2 \times (20\times 90)$& 4.2 &$17.52\pm 0.02$&$2.43\pm0.89$&$150.09\pm 10.02$\\
 2.569954 -- 5.612326 &0.7~m AZT-8(+ST-7)&$2 \times (60\times 90)$& 3.5 &$17.71\pm 0.02$&$3.40\pm1.09$&$147.56\pm  7.06^{\star}$\\
   \hline
13.721516 -- 13.755185 &2.5~m NOT(+ALFOSC)&$4 \times 700$& 1.0 &$17.19 \pm 0.04$&$1.44\pm0.14$&$49.58\pm 2.73$\\ 
18.673955 -- 18.719135 &2.2~m CAHA(+CAFOS)&$4 \times 900$& 1.6 &$17.38 \pm 0.03$&$1.40\pm0.21$&$51.62\pm 4.11$\\
38.679248 -- 38.707514 &2.2~m CAHA(+CAFOS)&$4 \times 400$& 2.0 &$18.44 \pm 0.03$&$<$$3.9^{\dagger}$&$-$\\ 
   \hline\noalign{\smallskip}
   \multicolumn{7}{l}{$^{\star}$ Determined combining the images of the above four observing epochs.  $^{\dagger}$ 3~$\sigma$ upper limit.}\\
 \end{tabular}
\end{table}