\begin{table}%t1
\caption{\label{t1}Observation log of selected clusters.}
\par
\small%\centerline
{
\begin{tabular}{lccccccccc}
\hline\hline
Star cluster$^a$  & $\alpha_{\rm 2000}$ & $\delta_{\rm 2000}$ & $l$ & $b$ &  Date & Filter & Exposure & Airmass & Seeing  \\
     & (h m s)  & ($\degr$ $\arcmin$ $\arcsec$) &  ($\degr$)  & ($\degr$) &  
     &        &    (s) &         & ($\arcsec$)\\
\hline
NGC~1697, SL~44, ESO~56-SC05 & 4 48 45 & --68 38 45 & 280.01 & --36.20 & 
1999 Dec. 29 & $C$ & 1800 & 1.36 & 1.4 \\
       &         &            &        &         &
            & $R$ &  600 & 1.39 & 1.4\\
SL~133, LW~99, KMHK~337  &     4 57 21 & --65 20 35 & 275.79  & --36.27 &
1999 Dec. 29 & $C$ & 1800 & 1.38 & 1.3 \\
       &         &            &        &         &
            & $R$ &  600 & 1.44 & 1.3\\
NGC~1997, SL~520, LW~226 &     5 30 12 & --63 14 22   & 272.66 & --33.11  &
1997 Dec. 20 & $C$ & 1800 & 1.28 & 1.6 \\
       &         &            &        &         &
            & $R$ &  900 & 1.31 & 1.6 \\
SL~663, LW~273, ESO~86SC22 &   5 42 21 & --65 23  3   & 275.05 & --31.63 &
1999 Dec. 29 & $C$ & 1800 & 1.43 & 1.2 \\
    &         &            &        &         &
            & $R$ &  600 & 1.48 & 1.2 \\
OHSC~28                     &     5 55 35  & --62 20 43 & 271.51 & --30.24 &
1997 Dec. 23 & $C$ & 1800 & 1.33 & 1.4 \\
     &         &            &        &         &
            & $R$ &  900 & 1.36 & 1.4 \\
\hline
\end{tabular}}
\par
\medskip
$^a$ Cluster identifications are from Lauberts (1982, ESO),
Shapley \& Lindsay (\citeyear{shl63}, SL), Lyng\aa~ \& Westerlund (\citeyear{lw63}, LW), 
Kontizas et~al. (\citeyear{ketal90}, KMHK), Olszewski et~al. (\citeyear{oetal88}, OHSC).
\end{table}