Quote:
Originally Posted by Gama
Again, how are you guiding ?, as this may be the clue needed.
Theo
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I use a guide scope mounted onto the top of the imaging tube. It is bolted down very well and I have to wrench it around a lot to make it move. It is then connected to PHD and uses pulse guiding through EQMOD to an EQ6. I don't get any trails or arcs or streaks and generally everything works out in the end, I just notice over the course of a few hours and when stacking the LRGB exposures that the image has shifted slightly per colour.
