\begin{table}%t1
\caption{Observation log for CN~Leo.}\label{log}
%\centering
\small
\begin{tabular}{cccc}
\hline\hline
Instrument &Mode & Observation Time 	& Duration [ s ]\\
\hline
UVES 	&Dichroic 1 (346 / 564 nm)	& 2004-05-19T22:45--22:48 & $1 \times 260$ / $1 \times 260$\\
MOS 1\&2 &Full Frame / Medium filter	& 2004-05-19T20:46--20T03:13 & 22~500 \\  
PN   	&Large Window / Medium filter 	& 2004-05-19T22:43--20T03:08 & 15~900 \\
RGS 1\&2	&				& 2004-05-19T20:46--20T03:16 & 20~600\\
\hline
UVES 	&Dichroic 1 (346 / 564 nm)	& 2005-12-11T06:46--09:01 & $8 \times 975$ / $16 \times 450$\\
MOS 1\&2&Full Frame / Medium filter 	& 2005-12-11T05:38--10:46 & 18~500 \\  
PN   	&Large Window / Medium filter 	& 2005-12-11T06:07--10:41 & 16~500 \\
RGS 1\&2&				& 2005-12-11T05:37--10:50 & 18~700\\
\hline
UVES	&Dichroic 1 (346 / 564 nm)	& 2005-12-13T08:00--09:06 & $4 \times 975$ / $8 \times 450$\\
MOS 1\&2&Full Frame / Medium filter	& 2005-12-13T03:59--08:59 & 18~000\\
PN   	&Large Window / Medium filter	& 2005-12-13T04:28--08:54 & 15~600\\
RGS 1\&2&				& 2005-12-13T03:59--09:02 & 17~700\\
\hline
\end{tabular}
\end{table}