Lucky Imaging Guide, Meaning , Facts, Information and Description
Lucky Imaging, also known as Selective Imaging, is a technology to improve the performance of telescopes or lenses with large focal length by reducing the effects of twinkling. In Selective Imaging, first proposed by D. L. Fried in 1978, one uses a high-speed camera with exposure times short enough so that the changes in the atmosphere during the exposure are minimal to take many images. From these images, those (typically around 10%) least affected by the atmosphere are chosen and combined to a single image, yielding much higher resolution than would be possible with a single, longer exposure.
Other approaches that can yield resolving power exceeding the limits of atmospheric seeing include adaptive optics and space-based telescopes such as NASA's Hubble Space Telescope.
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