magnitude question Agena-D

From: Ralf Vandebergh (
Date: Tue Aug 24 2010 - 08:50:38 UTC

  • Next message: Ralf Vandebergh: "Re: magnitude question Agena-D"

    Hi all,
    The comming days I will be hunting to capture HR images of an Agena upper stage Agena D Rocket
    (00733 1964-002-A). which will be passing a few days favorably from my location.
    Problem is I get 2 different magnitude-predications. Calls-sky predicts mag 4.4 and Heavens Above says mag 3.7.
    Generally it appears, the Heavens above predications are considerably more positively.
    I would like to hear from earlier observations of this object to get an impression which of the 2
    predictions is more realistic.
    The reason that this is important for me is, that it makes a lot of difference and difficulties in the settings
    for the used imaging-setup in the case if it is fainter then mag 4.0 - 4.1.
    Thanks for any help,
    Best wishes,
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