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A concrete application is displayed step by step by the command: TUTORIAL/CLOUD.
The data used for this example are CaII absorption features observed in the spectrum of SN 1986g in NGC 5128 (observer: S. d'Odorico, instrument: CASPEC).
The two images (components K and H) have been pre-reduced so that the continuum is normalised to 1. Sampling is 0.05Å per pixel and the measured instrumental resolution, 17km/s.
The final cloud model consists of 12 absorption doublets. The corresponding image includes both components K and H and has been convolved by a gaussian PSF of 0.22Å (17km/s) FWHM. (The results are consistent with those derived by the ALAS software).