Question:  What is the angle of
      the <a href="http://en.wikipedia.org/wiki/Celestial_pole">NCP</a> above the
      due-north <a href="http://en.wikipedia.org/wiki/Horizon">horizon</a>
      for a given location in the <a href="http://en.wikipedia.org/wiki/Northern_hemisphere">Northern Hemisphere</a>?
      <p>
      Answer in sentence form.
      <p>