The following statements create the star chart shown in Figure 47.16: title 'Variables Related to Paint Index'; proc shewhart history=paint limits=paintlim; xchart pindex*hour / nolegend starvertices ...

Star charts show the arrangement of stars in the sky, in a style that can be scientific, artistic or both, depending on the intended use.

We have seen a star chart in a watch before. While this is more a star chart than a planetarium, we have no doubt the early planetarium builders would be suitably impressed.