\begin{table}%t1
\caption{\label{phot_observations}Journal for photometric observations.}
\par
%\centerline
{\small
\begin{tabular}{llllll}
\hline\hline
\ion{H}{ii} region &               \multicolumn{3}{c}{Exposure (s)}       &     &  Date       \\
\cline{2-4} 
\noalign{\smallskip}
                  &     $U$        &       $B$        &       $V$        &     &              \\
\hline
\noalign{\smallskip}
\object{RCW~55 }  &  $3\times500$  &    $4\times90$   &    $3\times60$   &     &  2007 May 26  \\
\object{NGC~3503} &                &    $5\times450$  &    $5\times240$  &     &  2005 Apr. 13  \\
                   &                &    $5\times120$  &    $5\times60$   &     &  2009 Mar 16  \\
\object{RCW~87 }  &                &    $5\times450$  &    $5\times240$  &     &  2005 Apr. 14  \\
		   &  $9\times500$  &    $5\times500$  &    $3\times300$  &     &  2007 May 24  \\
\object{RCW~98 }  &  $6\times500$  &    $9\times120$  &    $10\times60$  &     &  2007 May 25  \\
		   &  $6\times500$  &    $5\times100$  &    $7\times60$   &     &  2007 May 26  \\
\object{RCW~99 }  &  $6\times500$  &    $5\times120$  &    $5\times60$   &     &  2007 May 25  \\
\object{Gum~61 }$^\dagger$  &  $9\times500$  &    $5\times200$  &    $5\times100$  &     &  2007 May 24  \\
\object{Gum~64a}$^\dagger$  &  $4\times500$  &    $5\times120$  &    $5\times60$   &     &  2007 May 25  \\
\hline
\end{tabular}}
\tablefoot{$\dagger$~Part of \object{NGC~6334}.} 
\end{table}