mosic is an IDL library for IRIS data reduction.

MOSiC is a collection of IDL programs for profile analysis and Gaussian fitting of the Mg II line along with Gaussian fitting of the C II 133.5 nm line pair, the O I 135.6, the Cl I 135.2, the Si IV 139.7 and 140.3 and the O IV 140.0 and 140.1 nm lines observed with the IRIS near UV and far UV spectrograph.