\begin{table}%t2
\center
\caption {Number of nights with different types of photometric solution. The table gives in Col.~1 the passband;
in Col.~2 the filter identification; in Col.~3 the number of default
solutions (corresponding to the number of non-photometric nights and/or
nights without standard star observations); in Cols.~4--6 the number
of nights with 1-, 2- or 3-parameter fits, respectively; and in Col.~7
the total number of nights in which standard star observations were
carried out with a given filter.}
\label {tab:phot}\small
\begin{tabular}{ccccccc}
\hline\hline
Passband & Filter id & Default & 1-par & 2-par & 3-par & Total \\
\hline
$U$&\#877&3&17&12&6&38 \\
$U$&\#841&0&9&0&0&9 \\
$B$&\#842&0&13&2&2&17 \\
$V$&\#843&0&10&7&6&23 \\
$R$&\#844&5&6&6&2&19 \\
$I$&\#879&1&0&2&1&4 \\
$I$&\#845&6&9&4&7&26 \\
\hline
\end{tabular}
\end{table}