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Loading contentA technique for combining many dithered exposures that recovers resolution lost to undersampling, by mapping each input pixel onto a finer output grid. Developed for the Hubble Space Telescope's deep fields, drizzling is now widely used in both professional and amateur imaging to sharpen stacks of slightly shifted frames.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.