\begin{table}%t1
%\centering
\par
\caption{\label{tab:obs} Journal of the observations.}
\begin{tabular}{clclcclclc}
\hline\hline
 Date       &  WFI Filter  & MJD & $T_{\rm exp}$ &  Air Mass  & Date       &  WFI Filter  & MJD & $T_{\rm exp}$ & Air Mass \\
 (d/m/y)    &              &     &   (s)       &            & (d/m/y)    &              &     &   (s)       &          \\
\noalign{\medskip} \hline
24/11/2001 &  V/89 	&	52237.22128823 &	$3\times 10$ &	1.50  & 	04/03/2002 &  V/89  &	52337.20706880 &	$3\times 10$ &	1.22  \\	
           & Rc/162 & 52237.22634835 & $3\times 5$  & 1.47  &            	& Rc/162 & 52337.21803382 & $3\times 5$  & 1.25  \\ 
           & Ic/Iwp & 52237.23117713 & $3\times 7$  &	1.44  &            	& Rc/162 & 52337.22950399 & $3\times 25$ &	1.29  \\ 
          	& Ic/Iwp & 52237.23529559	& $3\times 25$ &	1.42  & 	           & 	V/89  &	52337.23437902 &	$3\times 90$ &	1.31  \\	
          	& Rc/162 & 52237.24074915 & $3\times 25$ &	1.39  &             &  V/89  &	52337.24109513 &	$3\times 10$ &	1.34  \\	
\cline{6-10}					          & 	V/89 	&	52237.24882797 &	$3\times 90$ &	1.35  &  05/03/2002 &  V/89  &	52338.21350087 &	$3\times 10$ & 1.24  \\	
											&  V/89 	&	52237.26303437 &	$3\times 10$ &	1.30  &            	& Rc/162 & 52338.21877655 & $3\times 5$  & 1.26  \\ 
          	& Rc/162 & 52237.26868166 & $3\times 5$  & 1.28  &            	& Ic/Iwp & 52338.22356216	& $3\times 7$  & 1.28  \\ 
          	& Ic/Iwp & 52237.27821246	& $3\times 7$  & 1.24  &            	& Ic/Iwp & 52338.22763522	& $3\times 25$ & 1.29  \\	
          	& Ic/Iwp & 52237.28227565	& $3\times 25$ &	1.23  &             & 	V/89  &	52338.23909508 &	$3\times 90$ & 1.34  \\	
\cline{6-10}							
          	& Rc/162 & 52237.28773647 & $3\times 25$ &	1.21  &  06/03/2002 &  V/89  &	52339.18778127 &	$3\times 10$ &	1.18  \\	  
           & 	V/89 	&	52237.29344333 &	$3\times 90$ &	1.20  &            	& Rc/162 & 52339.19297910 & $3\times 5$  & 1.19  \\ 
           &  V/89 	&	52237.30066930 &	$3\times 10$ &	1.18  &            	& Ic/Iwp & 52339.20270214	& $3\times 7$  & 1.22  \\  
          	& Rc/162 & 52237.31212718 & $3\times 5$  & 1.16  &             & Ic/Iwp & 52339.20714999	& $3\times 25$ &	1.23  \\	
          	& Ic/Iwp & 52237.31721340	& $3\times 7$  & 1.15  &            	& Rc/162 & 52339.21242581 & $3\times2$5 &	1.25  \\ 
\cline{1-5}                                                 
26/11/2001 &  V/89 	&	52239.18065529 &	$3\times 10$ &	1.78  &             & 	V/89  &	52339.21805674 &	$3\times 90$ &	1.27  \\	  
          	& Rc/162 & 52239.18562202 & $3\times 5$  & 1.74  &             &  V/89  &	52339.22604426 &	$3\times 10$ &	1.30  \\	
          	& Ic/Iwp & 52239.19029892	& $3\times 7$  & 1.69  &            	& Rc/162 & 52339.23099193 & $3\times 5$  & 1.32  \\ 
          	& Ic/Iwp & 52239.19447743	& $3\times 25$ &	1.66  &            	& Ic/Iwp & 52339.23578713	& $3\times 7$  & 1.34  \\ 
          	& Rc/162 & 52239.19983479 & $3\times 25$ &	1.62  &            	& Ic/Iwp & 52339.23999762	& $3\times 25$ &	1.35  \\	
           & 	V/89 	&	52239.20535873 &	$3\times 90$ &	1.57  &            	& Rc/162 & 52339.24539390 & $3\times 25$ &	1.38  \\ 
           &  V/89 	&	52239.32447597 &	$3\times 10$ &	1.13  &             & 	V/89  &	52339.25120870 &	$3\times 90$ &	1.41  \\	
          	& Rc/162 & 52239.32957951 & $3\times 5$  & 1.12  &             &  V/89  &	52339.25913018 &	$3\times 10$ &	1.45  \\	
          	& Ic/Iwp & 52239.33441270	& $3\times 7$  & 1.12  &             & Rc/162 & 52339.26466470 & 
	$3\times 5$  & 1.49  \\ 
          	& Ic/Iwp & 52239.33845778	& $3\times 25$ &	1.11  &            	& Ic/Iwp & 52339.26890995	& $3\times 7$  & 1.51  \\ 
          	& Rc/162 & 52239.34398065 & $3\times 25$ &	1.11  &            	& Ic/Iwp & 52339.27256372	& $3\times 25$ &	1.53  \\	
           & 	V/89 	&	52239.35053232 & $3\times 90$ &	1.10  &             & Rc/162 & 52339.28297103 & $3\times 25$ &	1.61  \\ 
\cline{1-5}	                                                
23/01/2002 &  V/89  &	52297.19774832 &	$3\times10$ &	1.10  &             & 	V/89  &	52339.28856480 &	$3\times90$ &	1.66  \\	
          	& Rc/162 & 52297.20344695 & $3\times 5$  & 1.10  &             &  V/89  &	52339.29614328 &	$3\times 10$ &	1.73  \\	
          	& Ic/Iwp & 52297.20807586	& $3\times 7$  & 1.09  &            	& Rc/162 & 52339.30145210 & $3\times 5$  & 1.78  \\ 
          	& Ic/Iwp & 52297.21229543	& $3\times 25$ &	1.09  &            	& Ic/Iwp & 52339.30606411	& $3\times 7$  & 1.82  \\ 
          	& Rc/162 & 52297.21764270 & $3\times 25$ &	1.09  &            	& Rc/162 & 52339.31534623 & $3\times 25$ &	1.93  \\ 
\cline{6-10}	                                                
           & 	V/89  &	52297.22325254 &	$3\times 90$ &	1.09  &  24/03/2002 &  V/89  &	52357.07361738 &	$3\times 10$ &	1.10  \\	
           &  V/89  &	52297.23089695 &	$3\times 10$ &	1.09  &            	& Rc/162 & 52357.07891852 & $3\times 5$  & 1.10  \\ 
          	& Ic/Iwp & 52297.24111660	& $3\times 7$  & 1.10  &            	& Ic/Iwp & 52357.08412627	& $3\times 7$  & 1.10  \\ 
          	& Ic/Iwp & 52297.24521964	& $3\times 25$ &	1.10  &            	& Ic/Iwp & 52357.08840132	& $3\times 25$ &	1.10  \\	
          	& Rc/162 & 52297.25143005 & $3\times 25$ &	1.10  &            	& Rc/162 & 52357.09377871 & $3\times 25$ &	1.11  \\ 
           & 	V/89  &	52297.25701984 &	$3\times 90$ &	1.11  &             & 	V/89  &	52357.09933803 &	$3\times 90$ &	1.12  \\	
\cline{1-5}	 	                                              
11/02/2002 &  V/89  &	52316.14784279 &	$3\times 10$ &	1.10  &             &  V/89  &	52357.10984608 &	$3\times 10$ &	1.13  \\	
          	& Rc/162 & 52316.15586182 & $3\times 5$  & 1.09  &            	& Rc/162 & 52357.12092981 & $3\times 5$  & 1.15  \\ 
          	& Ic/Iwp & 52316.16066498	& $3\times 7$  & 1.09  &            	& Ic/Iwp & 52357.12572673	& $3\times 7$  & 1.16  \\ 
          	& Ic/Iwp & 52316.16510996	& $3\times 25$ &	1.09  &            	& Ic/Iwp & 52357.13007714	& $3\times 25$ &	1.16  \\	
          	& Rc/162 & 52316.17086954 & $3\times 25$ &	1.09  &            	& Rc/162 & 52357.13532178 & $3\times 25$ &	1.17  \\ 
           &  V/89  &	52316.17698296 &	$3\times 90$ &	1.09  &             &  V/89  &	52357.16004606 &	$3 \times 10$ &	1.24  \\	
           &  V/89  &	52316.18480783 &	$3\times 10$ &	1.10  &            	& Rc/162 & 52357.16513120 & $3 \times 5$  & 1.26  \\ 
          	& Rc/162 & 52316.19440469 & $3\times 5$  & 1.10  &            	& Ic/Iwp & 52357.16995618	& $3\times 7$  & 1.27  \\ 
          	& Ic/Iwp & 52316.19919322	& $3\times 7$  & 1.10  &            	& Ic/Iwp & 52357.17390633	& $3\times 25$ &	1.28  \\	
          	& Ic/Iwp & 52316.20328731	& $3\times 25$ &	1.11  &            	& Rc/162 & 52357.18004707 & $3\times 25$ &	1.31  \\ 
          	& Rc/162 & 52316.20891675 & $3\times 25$ &	1.11  &             & 	V/89  &	52357.18570452 &	$3\times 90$ &	1.33  \\	
           & 	V/89  &	52316.21545996 &	$3\times 90$ &	1.12  &             & 	V/89  &	52357.99572072 &	$3\times 10$ &	1.13  \\	
\cline{1-10}	                                                     
24/02/2002 &  V/89  &	52329.19058819 &	$3\times 10$ &	1.14  &  25/03/2002	& Rc/162 & 52358.00131936 & $3\times 5$  & 1.13  \\ 
          	& Rc/162 & 52329.19609543 & $3\times 5$  & 1.14  &            	& Ic/Iwp & 52358.00615478	& $3\times 7$  & 1.12  \\ 
           & Ic/Iwp & 52329.20090155	& $3\times 7$  & 1.15  &            	& Rc/162 & 52358.01631727 & $3\times 25$ &	1.11  \\ 
          	& Rc/162 & 52329.21181380 & $3\times 25$ &	1.17  &             & 	V/89  &	52358.02278763 &	$3\times 90$ & 1.10  \\	
           & 	V/89  &	52329.21777151 &	$3\times 90$ &	1.19  &             &        &                &             &       \\
\hline                                     
\end{tabular}                                                 
\end{table}