\begin{table}%t2
%\centering
\par
\caption{\label{tab2}New optical SNR candidates detected in M~74 in our observations.} \small           
\begin{tabular}{c c c c c l l }     
\hline\hline      
SNR Name & RA & Dec & [S II]/H$\alpha$ & $I$(H$\alpha$) \\
& (J2000.0)&(J2000.0) & &(erg~cm$^{-2}$~s$^{-1}$)\\  
\hline
SNR1 & 01:36:43.8 & +15:49:12.7 & 0.47 & 1.5E-14 \\
SNR2 & 01:36:31.5 & +15:48:50.3 & 0.46 & 6.0E-15\\
SNR3 & 01:36:46.9 & +15:45:15.2 & 0.91 & 2.9E-15 \\
SNR4 & 01:36:45.3 & +15:43:06.6 & 0.49 & 1.4E-14 \\
SNR5 & 01:36:48.9 & +15:43:34.4 & 0.58 & 2.8E-15 \\
SNR6 & 01:36:45.1 & +15:45:25.3 & 0.47 & 1.5E-14 \\
SNR7 & 01:36:45.9 & +15:44:46.1 & 0.45 & 1.6E-14\\
SNR8 & 01:36:45.9 & +15:44:27.1 & 0.46 & 1.6E-14 \\
SNR9 & 01:36:42.4 & +15:44:16.3 & 0.40 & 1.7E-14\\
\hline                  
\end{tabular}
\end{table}