\begin{table}%t3
%\centering
\par
\caption{Positions and MEGACAM photometry of late type dwarfs or high redshift quasars.\label{naines_candidates}}
\begin{tabular}{cccccc}
\hline\hline
Field& RA (J2000) & Dec (J2000) & $i'$(mag) & $r'-i'$& $i'-z'$\\
\hline
D1&2h24m58.2s &$-4^{\circ}$17\arcmin 00.3\arcsec& 20.43&2.11&1.28\\
D2&9h59m4.1s &+2$^{\circ}$34\arcmin 27.9\arcsec & 19.66 &2.90&1.40\\
D3&14h19m53.4s&+52$^{\circ}$17\arcmin52.9\arcsec&20.39 &2.56&1.51 \\
D3&14h22m01.6s&+52$^{\circ}$48\arcmin46.6\arcsec&20.57 &2.26&1.40\\
\hline
\end{tabular}
\end{table}