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    Re: Learn the stars, by phone
    From: Brad Morris
    Date: 2009 May 14, 08:32 -0400

    Hi George
    
    I have one of those niche market devices, the Celestron Sky Scout.  It is 
    sensitive to local ferrous materials and in fact informs you when the 
    deviation is greater than some internal value.  I have tried it with many of 
    the navigational stars and although it seems nonsensical, the moon.  Yes, I 
    can identify the moon without it, but the device knows it as well! It clearly 
    can predict moon location.
    
    The device gets positional information from the GPS and direction from the 
    magnetic fields.  It also senses the altitude.  It is not recognizing the 
    object by image.  It basically is an inverted sextant with a bit more 
    information added in.  Once the position, altitude and direction are known, 
    the device identifies the object.  When using a sextant, we know the object, 
    determine the altitude and direction via the spherical triangle and finally 
    position.
    
    I am quite happy with the device and would recommend it to any who is not sure 
    about utility.  Simply put, it functions as advertised.
    
    Best Regards
    Brad
    
    
    
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