\begin{table}%T7 \caption{{\it HST} observations of SN~2000cx.} \label{t7} %\centerline { \begin{tabular}{llllll} \hline \hline Date & Phase$^a$ & Filter & Magnitude & Exposure & PI \\ (UT) & (Days) & & & (s) & \\ \hline 2001 07 10 & 348 & $F675W$ & 21.98 $\pm$ 0.06 & 280 & Filippenko\\ 2001 07 10 & 348 & $F814W$ & 21.41 $\pm$ 0.06 &280 & Filippenko\\ %2001 09 04 & & STIS/CLEAR & & 900 & Garnavich\\ 2002 02 03 & 557 & $F439W$ & 24.38 $\pm$ 0.25 & 2100 & Kirshner\\ 2002 02 03 & 557 & $F555W$ & 24.32 $\pm$ 0.08 & 2100 & Kirshner\\ 2002 06 19 & 693 & $F555W$ & 25.20 $\pm$ 0.17 & 4200 & Kirshner\\ \hline \end{tabular}} \par \medskip $^a$ Days past $B$-band maximum light . \end{table}