$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig1.ps} \end{figure}$ Figure 1: The Ca I ( $\lambda _{\rm0}\ = 4226.73$ Å) transitions toward SN2006X. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig2.ps} \end{figure}$ Figure 2: The CH⁺ (top two spectra with $\lambda_{\rm 0}~=~4232.548$ Å and bottom two spectra with $\lambda _{\rm0} = 3957.70$ Å) transitions toward SN2006X. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig3.ps} \end{figure}$ Figure 3: The CH transition toward SN2006X ( $\lambda_{\rm 0}~=~4300.303$ Å). Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 240 415,angle=-90,width=8.8cm,clip]{9785fig4.ps} \end{figure}$ Figure 4: The 6195.96 Å DIB detection toward SN2006X. The reference spectrum ( top) has been constructed from a Galactic 6196 band profile shifted to the SN2006X velocity. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 315 415,angle=-90,width=8.8cm,clip]{9785fig5.ps} \end{figure}$ Figure 5: The 6283.85 Å DIB is detected toward SN2006X. The reference spectrum ( top) has been constructed from the Galactic 6283 band profile of $\beta ^1$ Sco and a Galactic telluric (unreddened) standard spectrum. The spectrum at phase -2 is rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ and to 4 km $\ensuremath {\rm {s}^{-1}}$ at +61 days. Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig6.ps} \end{figure}$ Figure 6: The 6379.6 Å DIB is not detected toward SN2006X. The reference spectrum ( top) has been constructed from the Galactic 6379 band profile toward $\sigma$ Sco shifted to the SN2006X velocity. Spectra at phase -2 and +14 are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ , and the spectrum at phase +61 to 4 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio} = 1645$ km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig7.ps} \end{figure}$ Figure 7: The 6613.6 Å DIB is not detected toward SN2006X. The reference spectrum ( top) has been constructed from the Galactic 6613 band profile toward $\sigma$ Sco shifted to the SN2006X velocity. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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In the text

$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig1.ps} \end{figure}$	Figure 1: The Ca I ( $\lambda _{\rm0}\ = 4226.73$ Å) transitions toward SN2006X. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig2.ps} \end{figure}$	Figure 2: The CH⁺ (top two spectra with $\lambda_{\rm 0}~=~4232.548$ Å and bottom two spectra with $\lambda _{\rm0} = 3957.70$ Å) transitions toward SN2006X. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig3.ps} \end{figure}$	Figure 3: The CH transition toward SN2006X ( $\lambda_{\rm 0}~=~4300.303$ Å). Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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$\begin{figure} \par\includegraphics[bb=40 100 240 415,angle=-90,width=8.8cm,clip]{9785fig4.ps} \end{figure}$	Figure 4: The 6195.96 Å DIB detection toward SN2006X. The reference spectrum ( top) has been constructed from a Galactic 6196 band profile shifted to the SN2006X velocity. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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$\begin{figure} \par\includegraphics[bb=40 100 255 415,angle=-90,width=8.8cm,clip]{9785fig7.ps} \end{figure}$	Figure 7: The 6613.6 Å DIB is not detected toward SN2006X. The reference spectrum ( top) has been constructed from the Galactic 6613 band profile toward $\sigma$ Sco shifted to the SN2006X velocity. Spectra are rebinned to 2 km $\ensuremath {\rm {s}^{-1}}$ . Vertical dashed line at $v_{\rm helio}$ = 1645 km $\ensuremath {\rm {s}^{-1}}$ .
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