What they all said Mike, and yes it is one of those unfortunate things with a GEM. A bit of planning helps, as if the object is close to the meridian to start with, then you might as well, get the scope on the east side, so that it can pass through, and continue west unimpeeded. Depends of course on how tight the clearance is. With mine, and a wee small scope I can go a couple of hours at least either side. Yours, hitting the legs, sound different.
I doubt that with the webcam you would need to rotate the tube, just unplug the camera cable and resight the scope. The focuser will of course be on the other side, but again shouldn't be an issue.
Gary
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