noun, Astronomy.
a photographic technique for clarifying the telescopic images of a star by taking short exposures of the electronic images of the star’s speckle pattern and extrapolating properties of the starlight to create a more accurate composite image.
speckle interferometry
(astronomy) a technique to increase the angular resolution of telescopes that are impaired by atmospheric turbulence, in which the information from a number of exposures of very short duration is combined


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