Here’s Jupiter like you’ve never seen it before:
So what do astronomers call the technique for getting some of the sharpest-ever images of Jupiter from a ground-based telescope? “We used a very powerful technique calledThese images of Jupiter were taken in infrared light using the international Gemini Observatory, aInternational Gemini Observatory/NOIRLab/NSF/AURA M.H. Wong and team Acknowledgments: Mahdi Zamani
“Lucky imaging” is when lots of very short exposure images are taken and only the sharpest—taken at brief moments when the Earth’s atmosphere is stable—are retained.Imaging using ground-based telescopes is tricky because the telescope has to peer through Earth’s turbulent atmosphere where wind and temperature changes distort and blur the image . Once in a while everything settles and a “lucky” sharp image is obtained .
France Dernières Nouvelles, France Actualités
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