\begin{table}%t1
\caption{\label{tbl1}Observing Log.}
\vspace*{-2.5mm}
%\centering
\par
\begin{tabular}{lccccc}
\hline \hline \noalign{\smallskip}
 Date & UT & Exp time (s) & $V$ Mag\tablefootmark{a} & Angular distance\tablefootmark{b}  & Surface brightness\tablefootmark{c}  \\
 \hline
2~454~298.62 & 2007 07 17  02:49 & 1800 & 11.1 & 45 & 2.0\\
2~454~325.59 & 2007 08 13  02:12 & 1800 & 10.7 & 20 & 1.2\\
2~454~328.57 & 2007 08 16  01:46 & 1800 & 11.1 & 30 & 2.7\\
2~454~332.54 & 2007 08 20  00:57 & 1800 & 11.1 & 40 & 1.6\\
2~454~352.56 & 2007 09 09  01:33 & 2400 & 11.5 & 55 & 2.0\\
2~454~356.52 & 2007 09 13  00:34 & 2400 & 11.7 & 60 & 1.5\\
2~454~361.58 & 2007 09 18  01:52 & 3000 & 11.4 & 65 & 0.7\\
2~454~384.52 & 2007 10 11  00:32 & 2400 & 10.9 & 35 & 5.0\\
2~454~390.52 & 2007 10 17  00:38 & 3000 & 11.2 & 45 & 3.4\\
\hline
\end{tabular}
\vspace*{-1.5mm}
\tablefoot {\tablefoottext{a}{Typical uncertainties are 0.2~mag;}
\tablefoottext{b}{given in arcsec; typical uncertainties are~2\arcsec;}
\tablefoottext{c}{given in units of $10^{-19}$~\ecsaa; typical uncertainties are $10^{-20}$~\ecsaa.}}
\end{table}