Quote:
Originally Posted by alistairsam
can phd or guidemaster or any software be used to show you the drift of the guidestar in a graph when you're not guiding?
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Yes. in the Brain button there is an option that says something like "Disable Guide Output" - so once you have calibrated, check that box, find a star and click the guide button then enable the graph. One trace will show your periodic error, and the other will show the DEC drift - if you are way out it drifts very quickly one way or the other. One line on the PHD graph equals one pixel, so you can use something like CCDCalc to calculate your periodic error etc.
Cheers'
Adam