Re: One Flash

From: Björn Gimle (
Date: Thu Aug 24 2006 - 05:02:39 EDT

  • Next message: Kevin Fetter: "re: some objects from last night"

    Your obs were between 86 and 103 degrees, as shown by Rob's SkyMap.
    As the Sun appears to move 1 deg/d, the phase may change by more than 2 
    deg/d. It can be even more affected by the position of the rotation axis, 
    and the effect this has on the angle by which the flash cone intersects the 
    You can also assume that flashes occur along lines (curves) passing through 
    the RA/dec of your flash obs.
    Possibly one line 15h30m -6d to 16h -20d, and one 16h20m -6d to 16h45 -16d.
    This estimate is also affected by the above factors.
    More obs at different track orientations, and/or other sites will pinpoint 
    these lines better.
    ----- Original Message ----- 
    > , and I'll try to figure out what phase angle it seems likely to flare at.
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