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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Using any star for a lunar
From: Ken Muldrew
Date: 2005 Mar 12, 08:50 -0700
From: Ken Muldrew
Date: 2005 Mar 12, 08:50 -0700
> I am undoubtedly revealing my failure to spend enough time learning > lunars (my limp defense is that it is still bloody cold around here at > night), but can any navigational star or planet be used to work a > lunar distance, as long as the altitudes of the body and moon are > within the window for a given method? I'm guessing you mean to say "any star or planet that is close to the ecliptic", in which case the answer is yes. You have to calculate the distance between the star and the moon yourself, but that's pretty simple if you have a star catalog (or an astronomy program such as Cartes du Ciel that does it for you). This is subject to the usual caveats about the star being too close to the moon as has been discussed here recently. Ken Muldrew.