Iridium pair: brightness discrepancy

From: Allen Thomson (
Date: Mon Oct 29 2007 - 21:30:09 EDT

  • Next message: Kevin Fetter: "Re: Iridium pair: brightness discrepancy"

    We just watched Iridium 55 and 95 flare within a minute of each other
    at ~20:10 local in the same patch of sky as seen from San Antonio, TX,
    29.548 N, 98.558 W. While the Heavens Above predictions had 55 at
    magnitude -8 and 95 at -3, 55 was bright but soft and 95 was much
    brighter, almost glaring. 
    Perhaps a tweak to the antenna/mirror orientation model is needed?
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