Define "wrong".

Stellarium data are based on VSOP87 and are topocentric.
Other programs likely use other formulae.
I don't know about the other programs.

G.

On Mi, 18.03.2015, 20:33, Xiaofan Wang wrote:
> Hi,
> I have used Stellarium several times and feel so good about it.
>
> Today, I compared it with  Solar software idl (sswidl, get_sun.pro ) and
> China astronomical calendar
>
> For the solar RA/DE on 2014-11-18 00:00:00, I found
> Chinese Calendar 15h32m53.12s/ -19°8’46.4"
> sswidl                    15h32m54.12s/ -19°8’49.88"
> stellarium               15h31m  3.1 s/ -19°4’16"
>
> Disstance
> sswidl                   0.98859376 AU
> stellarium             0.98870733 AU
>
> This is the largest value I found (the three data sets are never the same,
> but the general difference level is second and arc-second )
> Could you check it again in stellurium of the same time ?
> What’s wrong with it? what’s the reason?
>
> best regards
> Xiaofan------------------------------------------------------------------------------
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