\begin{table}%t1b
%\centering
\par
\caption{\label{t1b}Journal of Observations. Loiano: Balmer emission line equivalent widths~(\AA).}
{\small\begin{tabular}{ccccc}
\hline\hline
\noalign{\smallskip}
JD & H$\alpha$ & H$\beta$ & H$\gamma$ & H$\delta$\\
\hline
4008.3 & 102.8 & --- & --- & --- \\
4033.2 & 102.4 & --- & --- & --- \\
4039.3 & 113.7 & --- & --- & --- \\
4049.2 & 111.5 & --- & --- & --- \\
   4159.6 &   ---   &   21.69 &        10.82 &        5.70\\
       4172.7 &  ---   &   26.00 &        14.57 &        7.80\\
       4182.5 &   ---    &  27.79 &        16.21 &        10.01\\
       4202.6 &   ---   &  27.79 &        16.71 &        10.43\\
       4208.6 &   ---    & 26.88 &        14.93 &        8.03\\
       4215.5 &  ---    &  29.25 &        17.32 &        8.55\\
       4235.5 &   ---   &  35.61 &        20.42 &        11.82\\
       4251.5 &   ---   &  38.14 &        23.47 &        13.97\\
       4279.4 &  ---    &  44.11 &        27.03 &        16.04\\
       4293.4 &   ---   &  44.24 &        27.65 &        14.75\\
       4307.3 &  ---    &  46.12 &        28.70 &        16.48\\
       4329.3 &   ---   &  38.16 &        23.51 &        14.08\\
       4357.3 &  ---    &  29.88 &        16.78 &        8.98\\
  \hline
   4172.7 &    ---   &  25.93 &        13.42 &        7.23\\
       4182.5 &   ---  &   28.05 &        16.34 &        8.04\\
       4208.6 &  ---    &  26.47 &        14.90 &        8.71\\
       4215.5 &   ---   &  28.87 &        16.21 &        8.23\\
       4235.5 &  ---    &  34.66 &        21.09 &        10.84\\
       4251.5 &   ---   &  38.13 &        22.91 &        12.48\\
       4279.4 & ---    &  44.96 &        25.41 &        14.11\\
       4293.4 &   ---   &  43.84 &        25.21 &        13.79\\
       4307.4 &   ---   &  43.19 &        27.27 &        13.69\\
       4329.3 & ---    &  37.83 &        22.24 &        12.15\\
       4357.3 &   ---   &  28.77 &        16.04 &        8.13\\
\hline
 4293.4 &   --- &     43.62 &        27.48 &    --- \\
 \hline
 \end{tabular}}\vspace*{-2.5mm}
\end{table}