\documentclass[svgnames,a4paper]{standalone}
\usepackage[T1]{fontenc}
\usepackage[frenchb]{babel}
\usepackage{bera}
\usepackage{xcolor}
\usepackage{pst-caelum}
\xintverbosetrue
\begin{document}
\begin{pspicture}(-7,-7)(7,7)
\psset[caelum]{sideralrotation,lon=0,month=5,day=13,hour=21.04,lat=46,horizon=0}
\caelum[fillcolor=MidnightBlue]{Sky}
\caelum[linecolor=MidnightBlue!90!LightBlue,linewidth=0.25pt]{Graticule}%
\caelum[linestyle=dotted,linewidth=0.25pt,linecolor=LightSkyBlue]{Boundaries}
\caelum[linewidth=0.25pt,fillcolor=Goldenrod,size=1.4]{Asterisms}
\caelum[linecolor=Black]{Graduations}
% Les options qui me plaisent ;-)
\caelum[linecolor=Goldenrod,fillcolor=Black,opacity=0.8,linewidth=1pt]{Horizon}
\rput[r](6.5,-5.9){\sf\small\xintTheJD}
\rput[r](6.5,-6.2){\sf\small\xintTheTS}
\rput[r](6.5,-6.5){\sf\small\xintTheDate}
\rput[l](-6.5,-6.5){\small\xintTheLocation}
\end{pspicture}
\end{document}