NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Possible limitaion for lunar distance measurement
From: Wolfgang K�berer
Date: 2009 Feb 28, 19:02 +0100
From: Wolfgang K�berer
Date: 2009 Feb 28, 19:02 +0100
Dear all, I think Frank's response to Kent's post may be misleading: The passage quoted by Kent's colleague is taken out of: "Lehrbuch der Navigation. Herausgegeben vom Reichs-Marine-Amt. Zweite umgearbeitete Auflage. Zweiter Band. Berlin 1906". And the passage says (in English): "Regarding the application of these different formulae for deducing the true distance the following holds true: Dunthorne's formula (18), or formula 20 deduced from it, can only be applied, if the distance is between 70d and 110d. Formulae 21 and 23, on the other hand, can be recommended in all cases and are the only ones to be used beyond these limitations." That - to me - seem to be "reasons mathematical" not "practical". But I leave this to the mathematical minds of this group, as I am more of a historical bent, as you will remember. Wolfgang --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
