Gadzira shanduro yakaoma zvikuru yemutsara uyu Wokutanga waiva mumwe wemapoka enyeredzi 48 akanyorwa nomuzana remakore rechipiri nyanzvi yokuongorora nyeredzi Ptolemy.
Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi "Yokutanga yakanga iri imwe yemapoka enyeredzi 48 akanyorwa nomudzidzi wezvomuchadenga womuzana ramakore rechipiri Ptolemy, nepo yokupedzisira yakatanga kuratidzirwa seTriangulus Antarcticus naPetrus Plancius muna 1589. "