\begin{table}%t1
%\centering
\par
   \caption{Observational conditions:
       $T_{\rm exp}$ is the exposure time in seconds, air. is the mean airmass
       of each object during the exposure time. 
        \label{tab}}
\begin{tabular}{llcccc} \hline\hline Object  &  Night &  UT$_{\rm start}$  &
$T_{\rm exp}$ & Air. & Solar Analog \\
 & & (hh:mm) & (s)  &  &(air.)   \\ \hline
%2867 Steins  & 25 May 04 & 00:16 & 1200 & NTT & EMMI & GR1 & 1.45 &
%la102-1081 (1.22)) \\ 
2867 Steins  & 25 May 04 & 23:45 & 1200 & 1.41 & la102-1081 (1.20) \\ 
2867 Steins   &13 Aug. 05& 07:10 & 780 & 1.05 & HD~1835 (1.07) \\ 
3103 Eger	& 20 Jan. 07 & 06:56 & 780 & 1.31 &  la98-978 (1.35) \\ \hline
 \end{tabular}   \end{table}