\begin{table}%t1
\caption{\label{tab1}\label{t:limmag}Targeted limiting magnitudes (Vega) and exposure times.} 
\small%\centering
\par
\begin{tabular}{cllllll}
\hline\hline
~&
 {$M$*}&
 {K-corr}&
 {$M$*}&
 {obsLim}&
 {$\Delta t$ obs}&
 {$\Delta t / \Box\degr$} \\
\hline
$B$&
$-22.00$&
1.06&
24.2&
25.2&
10~ks&
40~ks \\
%\hline
$R$&
$-23.09$&
1.73&
23.8&
24.8&
4~ks &
16~ks \\
%\hline
$i$&
$-23.45$&
1.42&
23.1&
24.1&
4~ks &
16~k  \\
%\hline
$z$&
$-23.79$&
1.10&
22.4&
23.4&
10~ks &
40~ks  \\
%\hline
$H$&
$-25.02$&
$-0.26$&
19.9&
20.9&
3~ks &
48~ks  \\
\hline
\end{tabular}
\end{table}