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Re: Sun's SD to 0.01' (-ish) from Nautical Almanac
From: Herman Dekker
Date: 2021 Jan 12, 09:50 -0800
From: Herman Dekker
Date: 2021 Jan 12, 09:50 -0800
Hello Frank,
You wrote:
SD = 16' + 0.27' · cos(0.986° · dDays)
where dDays is the number of days since perihelion (ten days ago).
Is that a formula that belongs in the Advanced Modern Celestial Navigation range?
kind regards,
HermanD
