\begin{table}%t1
\caption{Field F02: observations summary.}          
\label{exptimes}      
\small%\centerline
 {
\begin{tabular}{c c c c c c l l}         
\hline\hline                  
Pointing & RA & Dec & Obs date & Coadded frames & $t_{\rm{exp}}$ & Seeing & Correction term$^a$\\
 & $\rm ^h ~ ^m ~ ^s$ & \degr\ \arcmin\ \arcsec\ & & & (min) & (arcsec) & (mag)\\
\hline
S\_11& 02 27 14 & --04 27 03 & 6 Sept. 05   & 40 & 60 & 1.11  $\pm$  0.14 & 0.032 $\pm$  0.014\\
S\_12& 02 26 57 & --04 27 03 & 5 Sept. 05   & 40 & 60 & 0.67 $\pm$ 0.09 & 0.032 $\pm$  0.015\\
S\_13& 02 26 40 & --04 27 03 & 6 Sept. 05   & 40 & 60 & 0.69 $\pm$ 0.09 & 0.032 $\pm$  0.025\\
S\_21& 02 27 14 & --04 31 18 & 5 Sept. 05   & 40 & 60 & 1.09 $\pm$ 0.14  & ...\\
S\_22& 02 26 57 & --04 31 18 & 5 Sept. 05   & 7 & 10.5 & 1.11 $\pm$ 0.10 & ...\\
S\_22& 02 26 57 & --04 31 18 & 5 Feb.  06   & 30 & 45 & 1.03 $\pm$ 0.10  & 0.050 $\pm$ 0.035\\
S\_22& 02 26 57 & --04 31 18 & 6 Feb.  06   & 31 & 46.5 & 0.96 $\pm$ 0.08  & 0.050 $\pm$ 0.035\\
S\_23& 02 26 40 & --04 31 18 & 6 Sept. 05   & 40 & 60 & 0.79 $\pm$ 0.13  & ...0\\
S\_31& 02 27 14 & --04 35 33 & 4 Sept. 05   & 40 & 60 & 0.99 $\pm$ 0.14 & 0.175 $\pm$ 0.055\\
S\_31& 02 27 14 & --04 35 33 & 7 Sept. 05   & 10 & 15 & 0.88 $\pm$ 0.06  & ...\\
S\_32& 02 26 57 & --04 35 33 & 4 Sept. 05   & 39 & 58.5 & 1.01 $\pm$ 0.12  & 0.014 $\pm$ 0.010\\
S\_33& 02 26 40 & --04 35 33 & 4 Sept. 05   & 40 & 60 & 0.94 $\pm$ 0.07  & ...\\
SW\_11& 02 26 23 & --04 27 03&7 Sept. 05   & 41 & 61.5 & 0.88 $\pm$ 0.09  & ...\\
SW\_12& 02 26 06 & --04 27 03 &9 Sept. 05   & 40 & 60 & 1.09 $\pm$ 0.05 & ... \\
SW\_12& 02 26 06 & --04 27 03 & 12 Sept. 05 & 10 & 15 & 0.91 $\pm$ 0.15  & ...\\
SW\_13& 02 25 49 & --04 27 03 & 11 Sept. 05 & 20 & 30 & 1.09 $\pm$ 0.01  & ...\\
SW\_13& 02 25 49 & --04 27 03 & 12 Sept. 05 & 30 & 45 & 1.14 $\pm$ 0.18 & ...\\
SW\_21& 02 26 23 & --04 31 18 & 7 Sept. 05  & 40 & 60 & 1.19 $\pm$ 0.09  & ...\\
SW\_22& 02 26 06 & --04 31 18 & 8 Sept. 05  & 40 & 60 & 1.05 $\pm$ 0.15  & 0.078 $\pm$ 0.021\\
SW\_23& 02 25 49 & --04 31 18 & 12 Sept. 05 & 21 & 31.5 & 1.15 $\pm$ 0.16  & --0.142 $\pm$ 0.027\\
SW\_23& 02 25 49 & --04 31 18 & 12 Sept. 05 & 19 & 28.5 & 1.06 $\pm$ 0.02  & 0.078 $\pm$ 0.017\\
SW\_31& 02 26 23 & --04 35 33 & 7 Sept. 05  & 39 & 58.5 & 0.81 $\pm$ 0.08  & ...\\
SW\_32& 02 26 06 & --04 35 33 & 8 Sept. 05  & 39 & 58.5 & 0.85 $\pm$ 0.05  & 0.102 $\pm$ 0.021\\
SW\_33& 02 25 49 & --04 35 33 & 12 Sept. 05 & 34 & 51 & 0.94 $\pm$ 0.10  & ...\\
SW\_33& 02 25 49 & --04 35 33 & 9 Sept. 05  & 10 & 15 & 1.05 $\pm$ 0.05  & ...\\
W\_11& 02 26 23 & --04 18 33 & 6 Sept. 05   & 20 & 30 & 0.85 $\pm$ 0.14  & --0.095 $\pm$ 0.020\\
W\_11& 02 26 23 & --04 18 33 & 8 Sept. 05   & 20 & 30 & 1.52 $\pm$ 0.15  & --0.116 $\pm$ 0.035\\
W\_12& 02 26 06 & --04 18 33 & 9 Sept. 05   & 40 & 60 & 1.40 $\pm$ 0.10 & --0.116 $\pm$ 0.035\\
W\_12& 02 26 06 & --04 18 33 & 12 Sept. 05  & 10 & 15 & 0.92 $\pm$ 0.10  & --0.134 $\pm$ 0.040\\
W\_13& 02 25 49 & --04 18 33 & 11 Sept. 05  & 40 & 60 & 1.21 $\pm$ 0.10  & --0.116 $\pm$ 0.035\\
W\_13& 02 25 49 & --04 18 33 & 12 Sept. 05  & 10 & 15 & 1.10 $\pm$ 0.15  & --0.179 $\pm$ 0.048\\
W\_21& 02 26 23 & --04 22 48 & 8 Sept. 05   & 40 & 60 & 1.16 $\pm$ 0.12  & --0.047 $\pm$ 0.020\\
W\_22& 02 26 06 & --04 22 48 & 9 Sept. 05   & 40 & 60 & 1.19 $\pm$ 0.07  & --0.078 $\pm$ 0.022\\
W\_22& 02 26 06 & --04 22 48 & 12 Sept. 05  & 10 & 15 & 1.18 $\pm$ 0.07  & --0.190 $\pm$ 0.040\\
W\_23& 02 25 49 & --04 22 48 & 11 Sept. 05  & 40 & 60 & 1.08 $\pm$ 0.12  & --0.073 $\pm$ 0.049\\
\hline                                  
\end{tabular}}
\medskip
$^a$ Photometric correction terms that have been applied to bring the photometry into agreement with the reference field SW\_21.
\end{table}