While the commission heavily criticized Perkin-Elmer for these managerial failings, NASA was also criticized for not picking up on the quality control shortcomings, such as relying totally on test results from a single instrument.Design of a solution The design of the telescope had always incorporated servicing missions, and astronomers immediately began to seek potential solutions to the problem that could be applied at the first servicing mission, scheduled for 1993.. 
Astronomers can apply to use dd time at any time of year, and it is typically awarded for study of Une Tranṣient phenoMena such as superNovae.other uses of dd time have included the observations that led to the production of the Hubble deep field and Hubble Ultra deep field, and in the first four Cycles of òdòdó time, observations carried out by Amateur Astronomers.Amateur observations the first director of STScI, ric giACC, announced in 1986 that he bemples to devote some of his director discretinígbà time to pínwingwing Amateur Astronomers to use the Telescope.. 