\begin{table}%T1
\caption{\label{tab1}Log of photometric observations for \sdss. }
\small%\centering
\par
\begin{tabular}{ccccccc}
\hline\hline 
${\rm Date}$ & ${\rm Tel}$ & ${\rm Filter}$ & $t_{\rm {int}}$  & $N_{\rm {obs}}$ & $\phi_{\rm {ini}}$ & $\phi_{\rm {fin}}$\\ 
\hline 
04 Jan. 2007 & IAC80 & $I$ & 180 & 74  & 0.805 & 1.278 \\
26 Jan. 2007 & AIP70 & $V$ & 180 & 19  & 0.041 & 0.156 \\
13 Feb. 2007 & IAC80 & $V$ & 70  & 191 & 0.607 & 1.202 \\
14 Feb. 2007 & IAC80 & $V$ & 70  & 221 & 0.525 & 1.292 \\
12 Mar. 2007 & AIP70 & $I$ & 120 & 181 & 0.031 & 0.946 \\
13 Mar. 2007 & AIP70 & $I$ & 120 & 153 & 0.377 & 1.343 \\
14 Mar. 2007 & AIP70 & $I$ & 120 & 49  & 0.786 & 1.040 \\
15 Mar. 2007 & AIP70 & $R$ & 120 & 73  & 0.683 & 1.023 \\
26 Mar. 2007 & AIP70 & $I$ & 120 & 45  & 0.994 & 1.179 \\
21 May 2007 & AIP70 & $I$ & 90  & 59  & 0.907 & 1.097 \\
06 May 2008 & IAC80 & $R$ & 120 & 32  & 0.913 & 1.049 \\
\hline
\end{tabular}
\end{table}