Mmastodon ScienceSpace Policy first seen 1 d ago, last 39 min ago, peak #4
AST SpaceMobile satellites measured far brighter than limits
Original: "Our measurements reveal an average brightness seven times brighter than mitigation targets cited in FCC filings and pea
New measurements of AST SpaceMobile satellites show an average brightness seven times higher than the mitigation targets cited in the company's FCC filings, with peak brightness over 200 times above the International Astronomical Union's recommended threshold of magnitude 7. Astronomers say the findings raise fresh concerns about the impact of large satellite constellations on night-sky observations, as the company prepares further deployments.
Why now: Astronomers are pressing regulators and operators over satellites that could interfere with ground-based astronomy, just as more launches are planned.
AST SpaceMobileInternational Astronomical UnionFCCJohn Barentine
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Evidence
- "Our measurements reveal an average brightness seven times brighter than mitigation targets cited in FCC filings and peak values over 200 times brighter than the International Astronomical Union’s recommended threshold (V magnitude 7). Now, AST SpaceMobile is expected to deploy… · JohnBarentine@scicomm.xyz · 73
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