Station not a silhouette

From: Tom Wagner (
Date: Mon Dec 30 2002 - 16:24:04 EST

  • Next message: Matson, Robert: "RE: Station not a silhouette"

    I observed the ISS crossing in front of the 23% illuminated moon a couple
    days ago. I could easily see the +1.5 magnitude station superimposed as a
    white dot over the illuminated limb of the moon. I assume the albedo of the
    station is brighter than the moon. I am however confused as to why the
    moon's brightness is commonly stated as being in the negative magnitudes yet
    it was not as bright as the ISS at the moment they converged.
    Can someone explain this to me?
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