That error is because you have no C compiler installed. Download Microsoft Visual Studio Express for C++, and the error should go away. You'll then get an error about compiling that will be fixed in the next version of PyEphem, but, for right now, I'll attach the patch to this bug.
That error is because you have no C compiler installed. Download Microsoft Visual Studio Express for C++, and the error should go away. You'll then get an error about compiling that will be fixed in the next version of PyEphem, but, for right now, I'll attach the patch to this bug.