\begin{table}%t1
\caption{Log of BeppoSAX NFIs Crab Pulsar pointing epochs and net exposure times.
\label{tab1}}
%\centerline
 {\begin{tabular}{crrrr}
\hline\hline
\multicolumn{1}{c}{Observation } & \multicolumn{4}{c}{Exposure Times (s)} \\
\multicolumn{1}{c}{Date} & \multicolumn{1}{c}{LECS} & \multicolumn{1}{c}{MECS$^a$} &
 \multicolumn{1}{c}{HPGSPC}  & 
 \multicolumn{1}{c}{PDS} \\ 
% &keV  0.1--4 & 1.6--10   & 10--34   & 15--300\\
\hline
31~Aug.~1996     & --      &  --     &  28~384 &  -- \\ %27~749  839+841  tolta\\
~6~Sep.~1996     & 5733  & 33~482 & --       &  --   \\
30~Sep.~1996     & --      &  7874 &  --      & 3596  \\ % !!! No in tesi, GC
12~Apr.~1997     & 1257  & 18~551 &  9344  &  9338 \\
~8~Oct.~1997 & 12~096 & 30~769 &  9158  & 19~673 \\
~6~Apr.~1998 & 8730  & 28~694 &  12~732 & -- \\ %13~105 4137 tolta \\
13~Oct.~1998     & --      &  --     &   --     & 17~476 \\ % !!! No in tesi, GC 
~9~Mar.~1999     & --      &  --     &   --     & 13~674  \\ % !!! No in tesi, GC 
25~Sep.~1999     & --      &  --     &   --     & 15~417 \\
10~Apr.~2000     & --      &  --     &   --     & 15~602  \\
~4~Apr.~2001     & --      &  --     &   --     & 7597  \\
\hline
Total exposure  & 27~816 & 119~370 & 59~618 & 102~373  \\ 
\hline 
\\
\end{tabular}}
\par
\small
$^a$~MECS operated with two detectors after May 1997.
\end{table}