n MNASSA : Monthly Notes of the Astronomical Society of South Africa - SALT image quality fix




Following the inauguration of the Southern African Large Telescope (SALT) in late 2005, on-sky images revealed that all was not well... The telescope's image quality (IQ) specification was not met as stars showed a hideous variety of field-dependent aberrations and distortions. To add further insult, these mangled images appeared to be unstable as a function of time and most other parameters one could think of.


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