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    Stellarium and the heavens in the 17th century
    From: Nicol�s de Hilster
    Date: 2006 Nov 30, 13:02 +0100

    Dear group,
    Does anyone of you know Stellarium (http://www.stellarium.org/) and how 
    accurate it is for long gone years?
    According to Stellarium on September 23rd, 1623 (Gregorian calendar), 
    Polaris had a right ascension of 00:26:32 and a declination of 
    +87�16'41". Is this correct?
    I did check the solar eclipse as mentioned by Flamstead the 
    Philosophical Transactions, number 55, page 1099 (1669). He predicted it 
    to be on April 9th, 1670, at 7:03pm (LON: 0�06'W, LAT: 52�57'N). After 
    correction for the Julian calendar (10 days) I did see the solar eclipse 
    on my screen.
    So it seems to work fine, but your opinion is much appreciated as well 
    as other recommended software.
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