iridium 90 disappoints

From: Stephan Szyman (szymanss@hotmail.com)
Date: Thu Sep 22 2005 - 19:46:29 EDT

  • Next message: Steve Newcomb: "8539 obs 9-23-05"

    hello everyone,
    
    I went over to my grandparents' to demonstrate a prediction for iridium 90 
    on 21 sept at 00:40:00 UTC.
    
    the location there is ( 41.6850N, 87.7080W)
    
    HA predicted a flare of mag -7 for iridium 90 just near polaris.
    
    
    it was the first time I have gone out to view a significantly bright iridium 
    flare as predicted by HA only be disappointed.  at its peak it reached 
    perhaps mag -1.5.
    
    conditions were exceedingly clear,  light pollution fair to poor.
    
    any ideas as to why this may have occured?
    
    clear skies!
    
    stephan szyman
    chicago IL USA
    41.6840N, 87.7000W; 188 msl
    
    
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