I can't find it now, it might have been called "dob_pc", but it was a program that told you the alt/az coordinates of any objects so that you could use your MSC's to find them. I think it was a crappy dos based program though.
There should be something better, in fact RTGUI reports the alt/az coordinates if I remember correctly, Starkler might be able to tell you for sure.
For altitude, you can just get an "angle finder" that has a magnet to stick itself to your tube. I bought one for $10 from mitre 10.
You can see it here in this picture..
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