an.zip">flux_mean.zip</a><br>
            </span></td>
          </tr>
        </tbody>
      </table>
      <span style="font-family: ms sans serif;"></span><br>
      <div style="text-align: center;"><span style="font-family: ms sans serif;"><big><big><span style="font-weight: bold;">Solar Flux library</span></big></big></span><br>
      </div>
      <span style="font-family: ms sans serif;"><br>
The
flux data can be retrieved from the data archive by providing the
date and the day fraction in 