Next: Modelling Up: Superresolution of SN 1987A: Previous: Introduction . ... Iterative algorithms were started with a flat default, as more sophisticated choices of starting point made little difference. ... The deconvolution algorithms described below were used for the initial mapping. ... It agrees with the other algorithms on the major features, produces a plausible physical image, performs well on simulated data with a high degree of superresolution, and is robust to support constraints. ...