s latitude up
          from zero at the equator, to 90 at the pole (opposite to the spherical(polar)
          coordinate system). Used in astronomy and in GIS (but there is also the
          geographic)
        </p>
<h6>
<a name="geometry.reference.cs.cs_spherical_equatorial.h1"></a>
          <span class="phrase"><a name="geometry.reference.cs.cs_spherical_equatorial.synopsis"></a></span><a class="link" href="cs_spherical_equatorial.html#geometry.reference.cs.cs_spherical_equatorial.synopsis">Synopsis</