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On 8/3/2013 9:53 AM, Robert Eno wrote:
> That being said, I think spoofing the NA would have to be subtle but you
> would also need your own publishing and printing equipment to reproduce
> an NA that would be physically identical to the real thing.  How would I
> do it?  Just off the top of my head, I would reverse the declination of
> all of the celestial bodies and for good measure, add or subtract about
> 2 - 3 degrees to/from each. If I wanted to go the whole way, I would
> also alter the GHA by several degrees.

OK, let's assume you can alter and /or switch out NA's. A Rude Star
Finder or planisphere will not be spoofed by reversing the sign of
declination. Only GHA Aries will affect it. Nor would anyone proficient
in cel nav. (Gee, you mean that isn't the summer triangle, winter
hexagon, southern triangle or southern cross I see ;-)  And what are you
going to do about the laptop programs or self contained electronic cel
nav devices? How about perpetual almanacs? That's a lot on our virtual
super-villain's plate.

Buzz-Kill Bill

   

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