Gday Malcolm
If you are mainly interested in analysing the mount at present, then you could also use the free trial version of PEMPro, or if you have a webcam/videocam, you can use Metaguide. Both those have the ability to grab and analyse whats going on, and their logs can be easily analysed by FFT methods. Metaguide runs happily at a very high frame rate, so is useful for analysing high freq errors in the raw mount. It also allows third party apps to grab data for display purposes whilst it is grabbing data in the background.
Lots of ways to skin the cat.
Andrew
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