Mmastodon ScienceSpace Policy first seen 46 d ago, last 56 min ago, peak #2
Measurements show AST SpaceMobile satellites far brighter than agreed 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 found average brightness seven times above mitigation targets cited in the company's FCC filings, with peak brightness over 200 times the International Astronomical Union's recommended threshold of visual magnitude 7. Astronomers warn that planned further deployments could worsen interference with ground-based observations, renewing criticism of how satellite constellations are regulated.
Why now: AST SpaceMobile is expected to deploy more satellites, raising fears of growing light pollution affecting astronomy.
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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