\begin{table}%t13
\caption{Comparison with MACHO photometry 
for the non-variable 
stars with $18.25<V<21$, from Alves subsample.\label{tab13}}
%\centerline
{\begin{tabular}{c c r c}
\hline\hline
Bin &$\langle \Delta V\rangle$  &  $\sigma$ & $N$\\
\hline
%Field A
\multicolumn{4}{c}{Field A}\\
18.25$-$18.50  &  0.030  &  0.027  &  123\\ 
18.50$-$18.75  &  0.032  &  0.030  &  133\\ 
18.75$-$19.00  &  0.024  &  0.031  &  188\\ 
19.00$-$19.25  &  0.035  &  0.037  &  502\\ 
19.25$-$19.50  &  0.037  &  0.042  &  673\\ 
19.50$-$19.75  &  0.013  &  0.049  &  329\\ 
19.75$-$20.00  &  0.035  &  0.063  &  327\\ 
20.00$-$20.25  &  0.035  &  0.065  &  445\\ 
20.25$-$20.50  &  0.033  &  0.098  &  603\\ 
20.50$-$20.75  &  0.054  &  0.110  &  753\\ 
20.75$-$21.00  &  0.045  &  0.129  &  826\\ 
\hline	 					      
%Field B
\multicolumn{4}{c}{Field B}\\
18.25$-$18.50 &  0.001  &  0.030  &    98    \\ 
18.50$-$18.75 &  0.012  &  0.034  &   115    \\ 
18.75$-$19.00 &$-0.001$ &  0.032  &   164   \\ 
19.00$-$19.25 &  0.014  &  0.040  &   438   \\ 
19.25$-$19.50 &  0.028  &  0.055  &   426   \\ 
19.50$-$19.75 &  0.019  &  0.060  &   268   \\ 
19.75$-$20.00 &  0.017  &  0.057  &   280   \\ 
20.00$-$20.25 &  0.020  &  0.074  &   373   \\ 
20.25$-$20.50 &  0.027  &  0.087  &   466   \\ 
20.50$-$20.75 &  0.041  &  0.119  &   647   \\ 
20.75$-$21.00 &  0.057  &  0.116  &   694   \\ 
\hline
\end{tabular}}
\par
\smallskip
Notes: $\langle \Delta V\rangle  = \langle V_{\rm this~paper}-V_{\rm Alves}\rangle $. 
\par
%\label{t:tab1}
\end{table}