\begin{table}%t8
%\centering
\par
\caption{List of the \pronaos observations (second flight) used in 
the intercalibration with \cobedirbe and \isoisophot .}
\label{liste_obs_pronaos}
\begin{tabular}{lccc}
\hline
\hline
Source & $\alpha_{2000}$ & $\delta_{2000}$ & map size \\
\hline
M~82 &09$^{\rm 
h}$55$^{\rm m}$52.3$^{\rm s}$&69$^{\circ}$40$^{\prime}$46.6$^{\prime\prime}$&26$^{\prime}\times$11$^{\prime}$\\
M~42 &05$^{\rm 
h}$35$^{\rm m}$09.6$^{\rm s}$&$-$05$^{\circ}$14$^{\prime}$06.2$^{\prime\prime}$&50$^{\prime}\times$40$^{\prime}$\\
M~17 &18$^{\rm 
h}$20$^{\rm m}$21.9$^{\rm s}$&$-$16$^{\circ}$10$^{\prime}$09.6$^{\prime\prime}$&50$^{\prime}\times$30$^{\prime}$\\
$\rho$-Ophiuchi &16$^{\rm
h}$26$^{\rm m}$31.6$^{\rm s}$&$-$24$^{\circ}$31$^{\prime}$43.6$^{\prime\prime}$&50$^{\prime}\times$35$^{\prime}$\\
CygnusB &20$^{\rm 
h}$18$^{\rm m}$07.0$^{\rm s}$&42$^{\circ}$04$^{\prime}$53.0$^{\prime\prime}$&50$^{\prime}\times$32$^{\prime}$\\
\hline
\end{tabular} 
\end{table}