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$Bill B: Re: formula for refraction$

Re: Raw data for bubble
From: Peter Fogg
Date: 2007 Mar 22, 13:17 +1100

On 3/22/07, Bill  wrote:
> Peter
> How do you calculate the time the sun will be at exactly 90 or 270d from a
> specified latitude?
> Bill

Bill
I use the prediction routine of my nav calculator - but I would
imagine that there is another more direct formula that could be used,
and hopefully someone else knows it.
PF

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$Bill B: Re: formula for refraction$

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