Q: The question was how does one obtain AUTHORITATIVE ephemerides???
R: There is one place only and it is NASA here. The Moon surprises
even us engineers, as it moves in its weird ways, always unpredictable
to the 15 decimal. Today it might be in Corvus, tomorrow in Auriga or
Cetus, but one must always keep a weather eye on the horizon. A good
way to start are the NASA Moon ephemerides along with the special Moon
zodiac. as generally known, the Moon added the 22nd constellation to
the zodiac. Here is the main reference site for your Moon positions,
but you can find more using Internet search. http://lulu.com/astrology
P.S.
I can mail any ephemeris or research results for the Moon, Cruithne,
Moon coorbitals, comets, dwarf planets, centaurs or even spacecraft
directly from NASA, so you receive a neat e-mail from NASA with
authoritative ephemeris.


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