Re: magnitude question Agena-D

From: Ralf Vandebergh (ralf.vandebergh@home.nl)
Date: Tue Aug 24 2010 - 08:59:50 UTC

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    Additional note:
    Heavens above seems to predict fainter then mag 4 for the lower passes as
    well which is very plausible.
    For the favorable 86 pass this evening it predicts mag 3.7 and Calls-ky mag
    4.4)
    
    Ralf
    
    ----- Original Message -----
    From: "Ralf Vandebergh" <ralf.vandebergh@home.nl>
    To: <seesat-l@satobs.org>
    Sent: Tuesday, August 24, 2010 10:50 AM
    Subject: 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,
    > Ralf
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