Astronomers worry about how satellites could impact scientific research. Now, researchers have created a tool to deal with satellite streaks in Hubble images.
With ever-increasing numbers of satellites in the sky, astronomers have repeatedly expressed worry over how these satellites could impact scientific research.
The tool works by looking for trails in images from one of Hubble’s cameras, the Advanced Camera for Surveys. This camera has a very wide field of view, meaning it captures a large portion of the sky in one go. That’s useful in this case because it means that trails from satellites will only interrupt a very small percentage of the image.
Recommended Videos When Hubble takes an image, it actually captures multiple exposures of its target. So a satellite trail would usually be on just one exposure, and the tool can look at multiple exposures and use that data to highlight the affected area. Then the researchers can combine data from the different exposures to edit out the streak.
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