STS-127 ascent visibility

From: Sean Sullivan (seesat@golux.org)
Date: Sat Jun 13 2009 - 17:39:53 UTC

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    It seems probable that the next STS-127 launch attempt will be on June 20 
    (presuming that LRO keeps its slot on the Eastern Test Range).  This would 
    produce a night launch, with a window approximately 4:30 to 4:35 EDT.  In 
    Florida, this is before astronomical twilight.  From my location in 
    Massachusetts, it's right at the start of civil twilight.
    
    Does anyone know if the shuttle's flight trajectory would break into 
    sunlight during ascent, and if so, when that would happen during the 
    launch?  I saw a Titan-IV launch break into daylight from Massachusetts a 
    few years ago, and it was a remarkable sight.
    
    To the best of my knowledge, there is no official word about the new 
    launch date.  Right now, June 20 is nothing more than a reasonable guess.
    
    Sean Sullivan
    
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