\begin{table}%t8 \caption{\label{table8}Observed and derived properties for HCG 100 regions.} \small%\centerline { \begin{tabular}{cccccccc} \hline \hline ID & ID$^a$ &RA& Dec & FUV & NUV & FUV--NUV$^b$ & Age$^c$\\ ~ & &(2000)&(2000) & ~& ~ & ~ &(Myr) \\ \hline 1 & ... & 0.37526 & 13.16465 & 21.90 $\pm$ 0.10 & 21.38 $\pm$ 0.06 & 0.47 $\pm$ 0.10 & \\ 2 & ... & 0.30563 & 13.17565 & 21.70 $\pm$ 0.08 & 20.29 $\pm$ 0.03 & 0.81 $\pm$ 0.07& \\ 3 & ... & 0.34740 & 13.16286 & 21.34 $\pm$ 0.07 & 20.31 $\pm$ 0.04 & 0.82 $\pm$ 0.09& \\ 4$^d$ & 4\footnotesize$^{d}$ & 0.29263 & 13.08581 & 21.39 $\pm$ 0.09 & 20.95 $\pm$ 0.07 & 0.00 $\pm$ 0.10 & 21.49 \\ 5 & ... & 0.30592 & 13.14859 & 21.79 $\pm$ 0.11 & 20.70 $\pm$ 0.06 & 0.91 $\pm$ 0.12& \\ 6 & 6 & 0.30766 & 13.16278 & 20.38 $\pm$ 0.05 & 19.92 $\pm$ 0.03 & 0.23 $\pm$ 0.06& \\ 7 & 13 & 0.37282 & 13.09862 & 19.65 $\pm$ 0.03 & 19.19 $\pm$ 0.02 & 0.07 $\pm$ 0.05& 48.75 \\ 8 & 14 & 0.37734 & 13.10402 & 21.51 $\pm$ 0.08 & 21.12 $\pm$ 0.07 & --0.06 $\pm$ 0.08& 10.86 \\ ... & 3\footnotesize$^{d}$ & 0.27220 & 13.02360 & 21.21 $\pm$ 0.09 & 21.61 $\pm$ 0.08 & --0.40 $\pm$ 0.12 & $<$1 \\ \hline \end{tabular}} \medskip $^a$ ID in de Mello et~al. (\cite{dem08a}); $^b$~using a fixed aperture of 4\arcsec; $^c$~age from FUV$-$NUV using Thilker et~al. (\cite{thi07}); $^d$~recently obtained spectroscopy confirms these regions as part of HCG~100 (\mbox{Urrutia-Viscarra} et~al. \cite{urr09}). \end{table}