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    Re: Quiz about the Southern Cross
    From: Antoine Couëtte
    Date: 2017 Sep 26, 10:16 -0700

    RE : sep-2017-g40186

    Dear Robin,

    Excellent reply, YOUR ANSWER is correct - or at the very least it points to the very right direction - and my earlier explanation is wrong.

    Tackling the problem from another viewpoint - actually from looking from the Southern Cross Direction whether we can see some same part of the Earth in the Sun Shadow all year round - I had come to the impression that this "all year round visibility band" is actually rather narrow.

    Let me think about it a little more in depth in order to dig out some more reasonable solution.

    Meanwhile if somebody has found one solution, then let's read about it. Frank, why not you ?

    1.000 thanks again. Let's get the right answer, and your proposal of 0° - 67° S which would translate into 10°S - 57°S with extra criteria (Sun 10° below the horizon and southernmost ACRUX Star 10° above the horizon).

    Kermit

       
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