\begin{table}%t2
\caption{\label{tab:aprilspectra}Analysis results.}
%%\centerline

{\small
\begin{tabular}{crrcccrccc}
\hline \hline\noalign{\smallskip}
Observation Night & $N_{\rm excess}$ & $N_{\rm backgr.}$ & $S$ & $E_{\rm cut}$ [GeV] & $F(E>E_{\rm min})$ & $\chi^2_{\rm red,const}$ & $f_0$ & $\alpha$ & $\chi^2_{\rm red,PL}$ \\[1mm]
\hline
April 22, 2006 & 100 &  29 &                  10.9$\sigma$ & 350 & $0.92\pm0.11$ & \phantom{0}1.3/2 &                                              $0.98\pm0.15$ & $2.05\pm0.21$ & \phantom{0}2.1/2 \\
April 24, 2006 & 419 &  69 &                  25.0$\sigma$ & 250 & $2.32\pm0.13$ & \phantom{0}2.7/2 & \phantom{0} $2.45\pm0.14$ \phantom{0} & $2.25\pm0.09$ & \phantom{0}2.0/3 \\
April 25, 2006 & 342 &  83 &                  20.8$\sigma$ & 250 & $1.34\pm0.09$ & \phantom{0}1.7/2 & \phantom{0} $1.43\pm0.09$ \phantom{0} & $2.26\pm0.12$ & 0.24/3 \\
April 26, 2006 & 225 & 62 &                   16.4$\sigma$ & 350 & $1.08\pm0.09$ & \phantom{0}1.3/4 & \phantom{0} $1.21\pm0.11$ \phantom{0} & $2.35\pm0.17$ & 0.41/2 \\
April 27, 2006 & 615 & 56 &                   33.5$\sigma$ & 350 & $3.21\pm0.15$ & \phantom{0}1.9/4 & \phantom{0} $3.37\pm0.18$ \phantom{0} & $2.07\pm0.07$ & \phantom{0}4.8/4 \\
April 28, 2006 & 311 & 75 &                   19.9$\sigma$ & 350 & $1.14\pm0.08$ & \phantom{0}4.3/8 & \phantom{0} $1.32\pm0.10$ \phantom{0} & $2.47\pm0.14$ & 0.65/2 \\
April 29, 2006 & 514 & 169 &                 23.7$\sigma$ & 250 & $1.04\pm0.06$ & 41/7                       & \phantom{0} $1.14\pm0.06$ \phantom{0} & $2.28\pm0.09$ & \phantom{0}2.0/4 \\
April 30, 2006 & 69 &  11 &                    10.3$\sigma$ & 250 & $2.39\pm0.33$ & --                             & \phantom{0} $2.16\pm0.34$ \phantom{0} & $1.66\pm0.20$ & \phantom{0}1.4/1 \\
June 14, 2006 & 95 & 87 & \phantom{0}7.5$\sigma$ & 450 & $0.34\pm0.06$ & \phantom{0}2.4/1  &                                          $0.168\pm0.032$ & $2.38\pm0.44$ & \phantom{0}1.5/2 \\
\hline
\end{tabular}}
\tablefoot{Number of excess ($N_{\rm excess}$) and background ($N_{\rm backgr.}$)
events, resulting significances $S$, lower cuts in event energy, integral
fluxes $F$ above $E_{\rm min}=250~{\rm GeV}$ for the April 2006 data and
$E_{\rm min}=450~{\rm GeV}$ for the June 14, 2006 data (in units of
$10^{-10}~{\rm cm}^{-2} ~{\rm s}^{-1}$), fit quality of a constant-flux
fit to the individual observation nights (see Fig.~\ref{fig:lcapril06fine}),
and power-law fit results for the differential energy spectra of
${\rm d}F/{\rm d}E=f_0 \cdot (E/E_0)^{-\alpha}$ with
$E_0=0.5~{\rm TeV}$ for the April 2006 data and $E_0=1.0~{\rm TeV}$ for
the June 14, 2006 data, respectively; $f_0$ in units of
$10^{-10}~{\rm TeV}^{-1}~{\rm cm}^{-2}~ {\rm s}^{-1}$.}
\end{table}