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  Interstellar features seen in spectra of HD23180 (upper frame) and spectra of heavily reddened stars (lowest frame). Other frames (as described on the right) show the synthetic spectrum for HD23180 and the average spectrum for all of the reddened stars after alignment on the interstellar atomic lines. Note how wavelengths of the stellar lines vary because of the shift to the rest wavelengths of interstellar lines (see text). The arrow(s) show(s) the DIB(s) position(s). Solid arrows are DIB known from other surveys, dotted arrows in later figures and the new DIB found in this survey.

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