Meade de-rotator works...
The Meade derotator works well and does what it says on the box.
The added distance behind the rear cell can cause issues with access near the poles and, as pointed out, it doesn't work with a piggyback camera.
You can use a guide camera/ OAG to get long exposure images.
I used one for a while with my spectroscope.
Mark,
What modifications do you mean on the derotator?? Mine work straight from the box.
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