\begin{table}%t3 \caption{\label{t:telescopes}Summary of photometric observations of \hd\ performed in 2007/08.} %\centerline {\small \begin{tabular}{l|l|l|l|l} \hline \hline Site/Observer & Diameter & rms OOT & Date & $T_{\rm c}$ \\ & m & mmag & & BJD \\ \hline Telast & 0.30 & 4.2 & 2007 September 10 & 2~454~353.6130 $\pm$ 0.0200\\ Gasparri & 0.20 & 5.3 & & \\ Lopresti & 0.18 & 7.0 & & \\ \hline Asiago & 1.82 & 2.8 & 2007 December 03 & 2~454~438.4745 $\pm$ 0.0005\\ OHP & 1.2 & 2.0 & & \\ Telast & 0.3 & 11.2 & & \\ Obs. Cavezzo & 0.4 & 6.1 & & \\ Lopresti & 0.18 & 10.5 & & \\ Obs. Univ.Siena& 0.3 & 8.4 & & \\ Obs. Mt. Baldo & 0.4 & 7.3 & & \\ Papini & 0.3 & 6.9 & & \\ Vallerani & 0.25 & 5.9 & & \\ \hline Gary & 0.3 & 5.6 & 2007 December 25 & 2~454~459.6909 $\pm$ 0.0032\\ \hline Gregorio & 0.3 & 3.8 & 2008 September 25 & 2~454~735.5135 $\pm$ 0.0027\\ \hline Gary & 0.3 & 8.9 & 2008 October 17 & 2~454~756.7313 $\pm$ 0.0024\\ \hline \end{tabular}} \par \medskip The last column report the midtransit times for each date obtained from the fit in Sect.~\ref{s:lc_analysis}. \end{table}