Next message: Jared Sherman: "Re: FW: A noon sight conundrum"
----- Original Message -----
From: "Noyce, Bill" <>
Date: Mon, 24 Nov 2003 10:28:13 -0500
To:
Subject: Re: FW: A noon sight conundrum
> Since the sun's declination is
> usually changing slowly
> This effect is too small to have any practical effect on finding
> longitude, as far as I know, but the similar effect that arises
> when you observe from a vessel travling north or south needs to
> be taken into account.
> -- Bill
There is a formula to correct the problem of observing the sun by a mouving observer:
T0 = ((T 1 + T2) /2) + correction
correction = 15,28 * ( motion in Lat - motion in dec )*(tan Lat 1 - tan dec 1)
But for some, it is may be not logic enought...
--
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