New tool 'cleans' ever-increasing satellite trails from Hubble photos

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New tool 'cleans' ever-increasing satellite trails from Hubble photos
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'Even as the number of satellites increases over the decade, these tools for cleaning the images will still be applicable.'

. Those unwelcome guests glide in orbits higher than Hubble's decaying one, which is now at a sensitive spot some 334 miles above Earth, and appear in the telescope images as bright streaks, thanks to sunlight reflecting off their bodies. They outshine faint stars and galaxies in deep space and ultimately endanger precious data about the cosmos, astronomers have argued.

"The good news is, in the vast majority of cases, satellite trails do not appear to threaten our ability to do science with the Hubble Space Telescope," David Stark, a staff scientist at STScI and an author of the new study, said on Monday at the 242nd meeting of the American Astronomical Society being held in Albuquerque and online."Cosmic rays are a much bigger issue when you look at individual exposures.

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