\begin{table}%t2
%\centering
\par
\caption{\label{tab2}Log of optical{\it-NIR} observations of the afterglow of GRB 080319B.}
\small \begin{tabular}{lcccccc} 
\hline \hline
$UT$ start~[d] & $T- T_0$[d] & $T_{\rm exp}$ & Filter &  mag & err$_{\rm mag}$ & Telescope\\
\hline 
2008 Mar. 19.4616 & 0.2027 & 1200~s & none & $>$15.5 & & 0.22~m SR-22\\
2008 Mar. 19.7642 & 0.5052 & 600~s & $R$ & 19.07 & 0.19 & 0.7~m AZT-8\\
2008 Mar. 19.7721 & 0.5132 & 600~s & $R$ & 19.26 & 0.27 & 0.7~m AZT-8\\
2008 Mar. 19.7800 & 0.5211 & 600~s & $R$ & 19.74 & 0.50 & 0.7~m AZT-8\\
2008 Mar. 19.7911 & 0.5322 & 600~s & $R$ & 19.96 & 0.39 & 0.7~m AZT-8\\
2008 Mar. 19.7974 & 0.5385 & 600~s & $R$ & 19.60 & 0.34 & 0.7~m AZT-8\\
2008 Mar. 19.8055 & 0.5466 & 900~s & $R$ & 19.60 & 0.20 & 0.7~m AZT-8\\
2008 Mar. 19.8174 & 0.5585 & 900~s & $R$ & 19.40 & 0.15 & 0.7~m AZT-8\\
2008 Mar. 19.8285 & 0.5696 & 900~s & $R$ & 19.89 & 0.28 & 0.7~m AZT-8\\
2008 Mar. 19.8470 & 0.5881 & 900~s & $R$ & 19.82 & 0.23 & 0.7~m AZT-8\\
2008 Mar. 19.8557 & 0.5968 & 900~s & $R$ & 20.06 & 0.19 & 0.7~m AZT-8\\
2008 Mar. 19.8630 & 0.6041 & 900~s & $R$ & 19.88 & 0.23 & 0.7~m AZT-8\\
2008 Mar. 19.8888 & 0.6299 & 720~s & $R$ & 20.00 & 0.27 & 0.7~m AZT-8\\
2008 Mar. 19.8980 & 0.6391 & 720~s & $R$ & 19.52 & 0.16 & 0.7~m AZT-8\\
2008 Mar. 19.9071 & 0.6482 & 720~s & $R$ & 20.09 & 0.28 & 0.7~m AZT-8\\
2008 Mar. 19.9139 & 0.6550 & 720~s & $R$ & 19.80 & 0.24 & 0.7~m AZT-8\\
2008 Mar. 19.9234 & 0.6645 & 900~s & $R$ & 19.88 & 0.27 & 0.7~m AZT-8\\
2008 Mar. 19.9354 & 0.6765 & 900~s & $R$ & 20.19 & 0.40 & 0.7~m AZT-8\\
2008 Mar. 19.9497 & 0.6908 & 900~s & $R$ & 19.54 & 0.15 & 0.7~m AZT-8\\
2008 Mar. 19.9625 & 0.7036 & 900~s & $R$ & 20.16 & 0.44 & 0.7~m AZT-8\\
2008 Mar. 19.9752 & 0.7163 & 720~s & $R$ & 20.47 & 0.25 & 0.7~m AZT-8\\
2008 Mar. 19.9843 & 0.7254 & 960~s & $R$ & 20.00 & 0.37 & 0.7~m AZT-8\\
2008 Mar. 19.9959 & 0.7370 & 900~s & $R$ & 20.03 & 0.37 & 0.7~m AZT-8\\
2008 Mar. 20.0127 & 0.7538 & 720~s & $R$ & 20.01 & 0.22 & 0.7~m AZT-8\\
2008 Mar. 20.0196 & 0.7607 & 720~s & $R$ & 19.83 & 0.21 & 0.7~m AZT-8\\
2008 Mar. 20.0664 & 0.8075 & 720~s & $R$ & 19.94 & 0.23 & 0.7~m AZT-8\\
2008 Mar. 20.0755 & 0.8166 & 720~s & $R$ & 20.22 & 0.26 & 0.7~m AZT-8\\
2008 Mar. 20.0848 & 0.8259 & 900~s & $R$ & 20.28 & 0.24 & 0.7~m AZT-8\\
2008 Mar. 20.0959 & 0.8370 & 900~s & $R$ & 19.74 & 0.16 & 0.7~m AZT-8\\
2008 Mar. 20.1069 & 0.8480 & 600~s & $R$ & 19.56 & 0.20 & 0.7~m AZT-8\\
2008 Mar. 19.8319 & 0.5730 & 600~s & $V$ & 19.60 & 0.70 & 0.7~m AZT-8\\
2008 Mar. 20.0870 & 0.8351 &  1200~s         & $I$ & 19.57& 0.08 & 0.8~m IAC 80 \\
2008 Mar. 19.9924 & 0.7457 &  $4 \times 300$~s & $R$ & 19.82& 0.07 & 0.8~m IAC 80 \\
2008 Mar. 20.0557 & 0.8003 & 600~s           & $R$ & 19.94& 0.11 & 0.8~m IAC 80 \\
2008 Mar. 20.1067 & 0.8548 & $2 \times 600$~s & $R$ & 20.15& 0.08 & 0.8~m IAC 80 \\
2008 Mar. 20.1294 & 0.8778 & $2 \times 600$~s & $R$ & 20.14& 0.09 & 0.8~m IAC 80 \\
2008 Mar. 20.2454 & 0.9972 & $3 \times 600$~s & $R$ & 20.50& 0.08 & 0.8~m IAC 80 \\
2008 Mar. 22.0730 & 2.8355 & $6 \times 600$~s & $R$ & 22.03& 0.27 & 0.8~m IAC 80 \\
2008 Mar. 20.0252 & 0.7814 & (1200+600)~s & $V$ & 20.39& 0.10 & 0.8~m IAC 80 \\
2008 Mar. 20.0648 & 0.8165 & $3 \times 600$~s & $B$ & 20.89& 0.12 & 0.8~m IAC 80 \\
2008 Mar. 20.1703 & 0.9149 & 600~s & $B$      & 20.75& 0.20 & 0.8~m IAC 80 \\
%
2008 Mar. 19.9361 & 0.6985 & 120~s & $r$ & 19.56& 0.17 & 1.2~m Mercator \\
2008 Mar. 19.9613 & 0.7031 & 120~s & $r$ & 19.28& 0.19 & 1.2~m Mercator \\
2008 Mar. 19.9631 & 0.7049 & 120~s & $r$ & 19.74& 0.15 & 1.2~m Mercator \\
2008 Mar. 19.9649 & 0.7067 & 120~s & $r$ & 19.37& 0.11 & 1.2~m Mercator \\
2008 Mar. 19.9667 & 0.7085 & 120~s & $r$ & 19.93& 0.15 & 1.2~m Mercator \\
2008 Mar. 19.9681 & 0.7095 & 60~s & $r$ &  19.53& 0.11 & 1.2~m Mercator \\
2008 Mar. 19.9691 & 0.7106 & 60~s & $r$ &  20.07& 0.21 & 1.2~m Mercator \\
2008 Mar. 19.9702 & 0.7117 & 60~s & $r$ &  19.41& 0.10 & 1.2~m Mercator \\
2008 Mar. 19.9713 & 0.7127 & 60~s & $r$ &  19.66& 0.20 & 1.2~m Mercator \\
2008 Mar. 19.9723 & 0.7138 & 60~s & $r$ &  19.82& 0.15 & 1.2~m Mercator \\
2008 Mar. 19.9734 & 0.7148 & 60~s & $r$ &  19.68& 0.09 & 1.2~m Mercator \\
2008 Mar. 19.9745 & 0.7159 & 60~s & $r$ &  19.61& 0.09 & 1.2~m Mercator \\
2008 Mar. 19.9759 & 0.7177 & 120~s & $r$ & 19.57& 0.12 & 1.2~m Mercator \\
2008 Mar. 19.9777 & 0.7195 & 120~s & $r$ & 19.54& 0.09 & 1.2~m Mercator \\
2008 Mar. 19.9794 & 0.7212 & 120~s & $r$ & 19.62& 0.07 & 1.2~m Mercator \\
2008 Mar. 19.9812 & 0.7230 & 120~s & $r$ & 19.83& 0.09 & 1.2~m Mercator \\
2008 Mar. 19.9830 & 0.7248 & 120~s & $r$ & 19.58& 0.06 & 1.2~m Mercator \\
2008 Mar. 19.9848 & 0.7266 & 120~s & $r$ & 19.65& 0.07 & 1.2~m Mercator \\
2008 Mar. 19.9865 & 0.7283 & 120~s & $r$ & 19.67& 0.07 & 1.2~m Mercator \\
\hline 
2008 Mar. 19.9883 & 0.7301 & 120~s & $r$ & 19.78& 0.08 & 1.2~m Mercator \\
2008 Mar. 19.9900 & 0.7318 & 120~s & $r$ & 19.51& 0.07 & 1.2~m Mercator \\
2008 Mar. 19.9918 & 0.7336 & 120~s & $r$ & 19.66& 0.08 & 1.2~m Mercator \\
2008 Mar. 19.9936 & 0.7354 & 120~s & $r$ & 19.47& 0.05 & 1.2~m Mercator \\
2008 Mar. 19.9953 & 0.7371 & 120~s & $r$ & 19.62& 0.06 & 1.2~m Mercator \\
2008 Mar. 19.9971 & 0.7389 & 120~s & $r$ & 19.46& 0.05 & 1.2~m Mercator \\
2008 Mar. 19.9989 & 0.7407 & 120~s & $r$ & 19.62& 0.06 & 1.2~m Mercator \\
2008 Mar. 20.1446 & 0.8871 & 120~s & $r$ & 19.76& 0.07 & 1.2~m Mercator \\
2008 Mar. 20.1464 & 0.8888 & 120~s & $r$ & 19.95& 0.08 & 1.2~m Mercator \\
2008 Mar. 20.1481 & 0.8906 & 120~s & $r$ & 20.14& 0.10 & 1.2~m Mercator \\
2008 Mar. 20.1500 & 0.8925 & 120~s & $r$ & 19.78& 0.07 & 1.2~m Mercator \\
2008 Mar. 20.1517 & 0.8942 & 120~s & $r$ & 20.04& 0.11 & 1.2~m Mercator \\
2008 Mar. 20.1535 & 0.8960 & 120~s & $r$ & 19.98& 0.10 & 1.2~m Mercator \\
2008 Mar. 20.1554 & 0.8979 & 120~s & $r$ & 19.85& 0.08 & 1.2~m Mercator \\
2008 Mar. 20.1572 & 0.8997 & 120~s & $r$ & 19.85& 0.12 & 1.2~m Mercator \\
2008 Mar. 20.1589 & 0.9014 & 120~s & $r$ & 19.87& 0.13 & 1.2~m Mercator \\
2008 Mar. 20.1607 & 0.9032 & 120~s & $r$ & 19.87& 0.11 & 1.2~m Mercator \\
2008 Mar. 20.1625 & 0.9049 & 120~s & $r$ & 19.92& 0.09 & 1.2~m Mercator \\
2008 Mar. 20.1642 & 0.9067 & 120~s & $r$ & 19.96& 0.11 & 1.2~m Mercator \\
2008 Mar. 20.1660 & 0.9085 & 120~s & $r$ & 20.04& 0.10 & 1.2~m Mercator \\
2008 Mar. 20.1678 & 0.9103 & 120~s & $r$ & 19.84& 0.08 & 1.2~m Mercator \\
2008 Mar. 20.1695 & 0.9120 & 120~s & $r$ & 19.73& 0.09 & 1.2~m Mercator \\
2008 Mar. 20.1713 & 0.9138 & 120~s & $r$ & 19.84& 0.11 & 1.2~m Mercator \\
2008 Mar. 20.1731 & 0.9156 & 120~s & $r$ & 19.92& 0.10 & 1.2~m Mercator \\
2008 Mar. 20.1748 & 0.9173 & 120~s & $r$ & 20.01& 0.12 & 1.2~m Mercator \\
2008 Mar. 20.1766 & 0.9191 & 120~s & $r$ & 19.91& 0.10 & 1.2~m Mercator \\
2008 Mar. 20.1784 & 0.9208 & 120~s & $r$ & 20.08& 0.09 & 1.2~m Mercator \\
2008 Mar. 20.1801 & 0.9226 & 120~s & $r$ & 19.71& 0.07 & 1.2~m Mercator \\
2008 Mar. 20.1819 & 0.9244 & 120~s & $r$ & 19.87& 0.09 & 1.2~m Mercator \\
2008 Mar. 20.1837 & 0.9261 & 120~s & $r$ & 19.83& 0.07 & 1.2~m Mercator \\
2008 Mar. 20.1854 & 0.9279 & 120~s & $r$ & 19.84& 0.09 & 1.2~m Mercator \\
%
2008 Mar. 21.8618  & 2.6029 & 5760~s & $I$ &  21.22 &0.15 & 1.5~m AZT-22  \\
2008 Mar. 21.8781  & 2.6192 & 5610~s & $R$ &  21.81 &0.26 & 1.5~m AZT-22  \\
2008 Apr. 07.0086  & 18.7479 & 7200~s & $R$ &  $>$23.6 & & 1.5~m   AZT-22  \\
2008 Mar. 19.9179  & 0.6590 & $3 \times 600$~s & $R$ & 19.66& 0.09 & 2.0~m IGO \\
2008 Mar. 27.9511  & 8.6524 & $28 \times 120$~s & $R$ &  $>$23.0 & & 2.5~m   NOT  \\
\hline
\end{tabular}
\end{table}