\begin{table}
\par
\caption{\label{obstab} XMM-Newton observations and exposures included
    in the 2XMM catalogue.}  
    \small%\centering
\scriptsize
    \begin{tabular}{rrrrrlrrrrrlrrrlrrrlr}
\hline
\hline
Rev & Obsid & ODF & \multicolumn{2}{c}{RA  \ \ [J2000] \ \  Dec} & Target & Obsclass & \#det & \#good & 
PN\_exp & PN\_ft & PN\_md & PN\_tm & M1\_exp & M1\_ft & M1\_md & M1\_tm & M2\_exp & M2\_ft & M2\_md & M2\_tm \\
 & & & \multicolumn{1}{c}{[deg]} & \multicolumn{1}{c}{[deg]} & & & & & & & &
 \multicolumn{1}{c}{[s]} 
& & & & \multicolumn{1}{c}{[s]} & & & & \multicolumn{1}{c}{[s]} \\
\hline
0088 & 0125310101 & 004 &   0.098292 & --25.101528 & Abell 2690              &  1 &  94 &  93 &  PN[1] & Med & PFW   &  21596 & M1[1] & Med & PFW   &  19642 & M2[1] & Med & PFW  &   19~203 \\
\multicolumn{20}{l}{...}\\ 
1009 & 0302580501 & 002 & 359.870708 & --32.169417 & RXJ2359.5-3211          &  3 & 134 & 128 &  PN[1] & Tn1 & PFWE  &  36742 & M1[1] & Tn1 & PFW   &  40047 & M2[1] & Tn1 & PFW  &   40~250 \\
\hline
 \end{tabular}						\end{table}