double flash for Iridium 75?

From: Sue Wheatley (
Date: Tue Jun 04 2002 - 14:06:53 EDT

Yesterday Heavens-Above indicated a daytime flare of Iridium 75 at my site.
Indeed it appeared 77 degrees alt and 111 degrees azimuth, faded, and then
re-brightened at about 60 degrees alt and 130 azim.  (Those last two numbers
are pretty shaky.)
    I've watched many Iridiums during darkness, and they brighten--dim, and
that is it. This is my first daytime flare.  Is this on-off phenomenon
common for daytime flares?

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