Re: Cosmos 1 solar sail expected magnitude

From: Fco. Javier Iruretagoyena (javiru@able.es)
Date: Mon Jun 06 2005 - 08:48:46 EDT

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    Well Paolo, It's very difficult to determine what is going to be the exactly
    magnitude by the moment. We must wait for the launch and by way of the
    observations try to know the magnitude.
     
    In the brightness there are influce if very differnt factors like the sun
    position and the angle of the pannels.
     
     
     
    Saludos,
     
    Javi
     
    Zaragoza, Spain
    Lat: 41.64056
    Long: -0.87526
    Alt: 253m.
    Datum: WGS84
     
    -------Mensaje original-------
     
    De: Paolo Morini
    Fecha: 06/06/05 14:35:00
    Para: seesat-l@satobs.org
    Asunto: Cosmos 1 solar sail expected magnitude
     
    Hello,
    I have searched in the Planetary society web site, but I have not found any
    reference to the expected visual magnitude of Cosmos 1.
    I have got the idea to set up an observing point from the sailing club where
    my daughter go sailing with her (very) small boat, to involve both teen
    agers and grown ups in observing a solar sail.
    Also some activity from local Planetarium could be set.
    Of course, if we are going to get, say, a +4 magnitude, it's very hard to
    get more than some "groan !" from unexperienced people involved, better to
    observe alone in my backyard ...
    Anybody has some data/extimation about?
    Thanks a lot
    Greeetings from Italy
    Paolo Morini
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