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International Astronomical Union
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- 1AST SpaceMobile satellites measured far brighter than FCC targets●"Our measurements reveal an average brightness seven times brighter than mitigation targets cited in FCC filings and pea
New measurements show satellites in AST SpaceMobile's constellation average about seven times the brightness of mitigation targets cited in the company's FCC filings, with peaks more than 200 times brighter than the International Astronomical Union's recommended limit for night-sky interference. Astronomers, including astronomer John Barentine, warn the brightness threatens ground-based observations as AST SpaceMobile prepares further deployments.