modified the get tracking code to make it less better. amd more tolerant of lunar speeds, taken from Nasa and other sources (Info from David Richards)

Meade.net.Telescope/Meade.net.Telescope.csproj

@@ -128,6 +128,7 @@
     <Compile Include="Clock.cs" />
     <Compile Include="ComparisonResult.cs" />
     <Compile Include="DoubleExtensions.cs" />
+    <Compile Include="ExtensionMethods\DoubelExtensions.cs" />
     <Compile Include="IClock.cs" />
     <Compile Include="StringExtensions.cs" />
     <Compile Include="Telescope.cs" />
@@ -187,6 +188,7 @@
       <Name>Meade.net</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PreBuildEvent>