\begin{table}%t1
%\centering
\par
\caption{\label{tab:observations}Journal of XMM-Newton Observations of M~31.  The
field, observation number, date, pointing direction, filter used, total exposure (Exp) and exposure of the good time  interval (GTI) and the number of sources detected are given.}
\small  \begin{tabular}{c c c c c c c c c}
\hline \hline
Field & Observation & Date&\multicolumn{2}{c}{Pointing direction} & Filter & Exp & GTI & Sources \\
& & & \multicolumn{2}{c}{RA/dec (J2000)} & & ks & ks & \\
               \hline
North~3 (n3) & 0109270401 & 29 June 2002 & 00:46:38 & +42:16:20 & Medium & 55 & 46 & 80 \\
        North~2 (n2) & 0109270301 & 26 Jan. 2002 & 00:45:20 & +41:56:09 & Medium & 55 & 25 & 57 \\
        North~1 (n1) & 0109270701 & 05 Jan. 2002 & 00:44:01 & +41:35:57 & Medium & 55 & 55 & 82 \\
        South 1 (s1) & 0112570201 & 12 Jan. 2002 & 00:41:25 & +40:55:35 & Thin & 53 & 44 & 71 \\
        South 2 (s2) & 0112570301 & 24 Jan. 2002 & 00:40:06 & +40:35:24 & Thin & 58 & 24 & 45 \\
        \hline
\end{tabular}
\end{table}