Fig. 2
Far left: science PSF with the Strehl ratio (SR) = 53%. Middle left: reference PSF with SR = 53%. Middle right: reference PSF with SR = 45%. Far right: reference PSF with SR = 36%. The far left PSF was used to blur the HST images of Saturn and M100. The other three PSFs were used as reference PSFs for the algorithms. Logarithmic scale.
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