Re: I saw............. what ?

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sat Oct 25 2003 - 17:17:23 EDT

  • Next message: Anthony Ayiomamitis: "CalSky Solar Transit Predictions"

    >... a brilliant flare/flash across the eastern sky.
    >(Through Pegasus )
    >
    >... like ... an enormous Iridium flare , about 2 degrees 
    >in length travelling north/south ( unlike an Iridium there 
    >was a definite impression of movement)
    
    What are the chances that it was a very bright, slow-moving,
    very oblique meteoric fireball?  How long did it last?
    
    For the Americas (currently) Galaxy 7(92-072A, 22205) is a 
    very reliable, if slow, flashing geosynch.  Two or three 
    nights this week I've seen eight one-power flashes, the 
    brightest about +1.5.  Last night I saw four or five in 
    spite of it being partly cloudy.  It is between 2:00 and 
    3:00 UTC -- 9:00 and 10:00 CDT tonight, but 8:00 and 9:00 
    beginning tomorrow night.  For maybe 20 minutes during the
    middle of the episode, all of the alternating flashes are
    visible in binoculars every 102.25 or so seconds.  At the
    beginning and end, only every other one -- 204.50 seconds.
    
    On October 24, about 3:40-4:00 UTC, ETS 6 (94-056A, 23230) 
    was *easily* visible in binoculars with some maxima 
    observable one-power, at a range of well over 24,000 km.
    Flash period was about 9.4 seconds.  At 4:30 UTC I was not
    able to find it.
    
    I've failed to mention spectacular flashes from Iridium 
    920 (97-034C, 24871) lately, at least two groups separated 
    by up to a minute of invisibility.
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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