XM-4 flare observation

From: Kevin Fetter (kfetter@yahoo.com)
Date: Fri Oct 26 2007 - 12:33:35 EDT

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    At around 7:40 UTC, XM-4 ( 29520 ) was at it's brighest. I would estimate in the Magnitude 6 range.
    
    Yet roughly 5 minutes on either side of this time, it was faint, in the Magnitude 8 range.
    
    So a rather quick event.
    
    At 7:40 UTC, XM-4 would be around
    
    2 h 00 m R.A
    -6 deg 35 min Dec
    
    The sun was at
    
    14 h 00 m R.A
    -12 deg 28 min Dec
    
    This sat doesn't have the angled solar reflectors. 
    
    XM-2 ( 26724 ) which has the angled solar reflectors, didn't undergo a quick change in Magnitude, when it reached the same area of sky, that the flare from XM-4 occured at.
    
    Intelsat 1R is brighest, after it passes the area of sky, that's 12 hours difference in R.A from the sun, yet XM-
    4 was brighest, when it was around 12 hours difference from the sun, in R,A.
    
    Intelsat 1R, like XM-2 and XM-1 had slow change in Magnitude.
    
    Interesting
    
    Kevin
    
    44.6062 N
    75.6910 W
    
    
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