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Thread: Dual Shadow Transits on Jupiter - Sep/7/8

  1. #1
    Join Date
    Sep 2007
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    Chicagoland
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    Wink Dual Shadow Transits on Jupiter - Sep 7/8

    Two shadows of Galilean satellites will be simultaneously transiting Jupiter during the evening of September 7th in North America and the early morning of September 8th in Europe. Io (#1) itself will be in transit along with its shadow and that of Callisto (#4). I calculate that the period in which both shadows are fully on Jupiterís disk will only last two minutes from 00:13:28 UT to 00:15:28 UT. In Chicagoland this will occur around sunset, but Jupiter will be above the horizon. Observers to the east will see the dual shadow transits at nighttime and those to the west in daylight.

    Iíve created three graphics to illustrate the events. The first is a timetable. The second shows a view from above Jupiterís north pole. The third is a close-up of the view from Earth. They can be seen by clicking: http://www.curtrenz.com/astronomical.html

    Pictures and descriptions of the events would be welcome additions to this thread.
    Last edited by Centaur; 2008-Sep-02 at 06:06 PM.
    For astronomical graphics and data visit
    www.CurtRenz.com/astronomical

  2. #2
    Join Date
    Dec 2007
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    90
    Is this visable from the east coast of australia?

    ps, i put up some Moon/Antares occultation pics in another thread of yours.

    Foote

  3. #3
    Join Date
    Sep 2007
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    Wink

    Sorry, Foote, please note that the event occurred four weeks ago.
    For astronomical graphics and data visit
    www.CurtRenz.com/astronomical

  4. #4
    Join Date
    Dec 2007
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    90
    hah, oh how i do lose track of time. thanks

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