Two interesting flashers

From: Ed Cannon (
Date: Tue Oct 01 2002 - 06:31:30 EDT

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    I've been forgetting to mention that here we've been having
    some very spectacular Iridium 920 (97-034C, 24871).  Almost
    always, recently, the flashes have been south of culmination
    on these southbound evening passes.  In spite of how rapidly 
    it's spinning, some of the flashes are as bright as -1 or -2.
    Mike McCants and I watched another one the other night that 
    was doing something I don't remember seeing it do -- a 
    single maximum, followed by a triple maximum (with the 
    three flashes separated by about .8 second), single, triple, 
    etc.  This was Intelsat 4-7 Rk (73-058B, 06797).  Given the 
    alternating maxima, I got a flash period of about 6.6 seconds 
    Flaring geosats have been pretty good the last few nights.  
    Note that these are seasonal, as opposed to "flashing 
    geosynchs" -- an entirely different phenomenon.
    Ed Cannon - - Austin, Texas, USA
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