All Figures

$\begin{figure} \par\includegraphics[width=15cm,height=5cm,clip]{MS4087f1.eps} \end{figure}$ Figure 1: An example of the PSPT images analyzed. From the left: CaII K, blue and red continuum images for July 29, 2002.
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In the text

$\begin{figure} \par\includegraphics[width=15cm,height=5cm,clip]{MS4087f2.eps} \end{figure}$ Figure 2: An example of the results obtained by the processing applied to the images shown in Fig. 1. From left: CaII K image after removal of the center to limb variation, binary image produced by the active region and enhanced network masking, binary image with the identified network.
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In the text

$\begin{figure} \par\includegraphics[width=16cm,height=6cm,clip]{MS4087f3.eps} \end{figure}$ Figure 3: Center to limb variation of the network contrast over the disk at the three PSPT bands (symbol) obtained analyzing the images acquired in 2001. The measured values (stars) were corrected for the geometrical projection effect at the various disk positions as described in the text. Comparison with the center to limb variation of the network contrast (line) obtained through a semiempirical atmospheric model of the network feature computed for the two continuum PSPT bands (Penza et al. 2003a). Bars represent the standard deviation of the mean in each bin.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,height=9cm,clip]{MS4087f4.eps} \end{figure}$ Figure 4: Temporal variation of the network photometric properties over the period analyzed, spanning the ascending phase of Solar Cycle 23, from July 1996 to September 2002. Bars represent the variation of the values with respect to the mean. Comparison with the photometric properties (line) computed through a semiempirical atmospheric model of the network feature (Penza et al. 2003a). Bars represent the standard deviation of the mean in each bin.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,height=4.5cm,clip]{MS4087f5.eps} \end{figure}$ Figure 5: Temporal variation of the network brightness temperature in the two continuum bands over the period analyzed, spanning the ascending phase of Solar Cycle 23, from July 1996 to September 2002. Comparison with the network brightness temperature corresponding to the network contrast (line) computed with a semiempirical atmospheric model of the network features (Penza et al. 2003a). Bars represent the error of the value computed by the propagation error theory in each bin.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,height=4.5cm,clip]{MS4087f6.eps} \end{figure}$ Figure 6: Temporal variation of the estimated network contribution to TSI over the period analyzed, spanning the ascending phase of Solar Cycle 23, from July 1996 to September 2002. Bars represent the error of the value computed by the propagation error theory in each bin.
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In the text

$\begin{figure} \par\includegraphics[width=15cm,height=5cm,clip]{MS4087f1.eps} \end{figure}$	Figure 1: An example of the PSPT images analyzed. From the left: CaII K, blue and red continuum images for July 29, 2002.
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$\begin{figure} \par\includegraphics[width=15cm,height=5cm,clip]{MS4087f2.eps} \end{figure}$	Figure 2: An example of the results obtained by the processing applied to the images shown in Fig. 1. From left: CaII K image after removal of the center to limb variation, binary image produced by the active region and enhanced network masking, binary image with the identified network.
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$\begin{figure} \par\includegraphics[width=8.8cm,height=4.5cm,clip]{MS4087f6.eps} \end{figure}$	Figure 6: Temporal variation of the estimated network contribution to TSI over the period analyzed, spanning the ascending phase of Solar Cycle 23, from July 1996 to September 2002. Bars represent the error of the value computed by the propagation error theory in each bin.
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