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Frank Reed wrote:

> No, but that would cause problems. The difference here is that some
> stars are shifted in a positive direction, some negative. It only
> affects SHAs --the Declinations are correct.

I was originally going to guess either a change in the calendar system
(though I don't think there were any major changes that "recently" in
history), or maybe a change in the official designation of the first
point of Aries, but I suppose those would both move all of the SHA
errors in the same direction (and not mixed like you stated above).

--
GregR

--- FrankReedCT@aol.com wrote:

> " "These positional errors are  directly proportional to the distance
>  in
> time from the year  2000...I'll leave it as "an exercise for   the
> reader"
> 
> to figure out what's actually wrong.
>
> A rash  guess: Leap seconds? And the lack thereof?"
>
> No, but that would cause problems. The difference here is that some
> stars
> are shifted in a positive direction, some negative. It only affects
> SHAs --the
> Declinations are correct.
>
> -FER
> 42.0N  87.7W, or 41.4N  72.1W.
> www.HistoricalAtlas.com/lunars
>
>
> >


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