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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Time of Sun & Moon rise and set
From: Geoffrey Kolbe
Date: 2016 Feb 6, 06:32 +0000
From: Geoffrey Kolbe
Date: 2016 Feb 6, 06:32 +0000
On 5 February 2016 at 23:44, Brad Morris <NoReply_Morris@fer3.com> wrote:
Hello Herbert
I am puzzled here. The sun has a maximum rate of change in declination of 0.1 minutes of arc per hour. That is the d correction at the bottom of the daily page of the NA.
Have a look at the value of d around the equinoxes.
Geoffrey Kolbe
