Quote:
Originally Posted by rogerg
I also suspect FOV plays a part with rotators - thinking logically about the situation, if the rotator is rotating at a rate applicable to the current RA and DEC, and your camera has a very large FOV then surely rotation is going to show increasingly from centre to edge of image. Not positive, just a thought I had now
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Roger,
this statement is not correct. The rotation angle/rate depends only on duration of exposure / the direction the telescope is pointed at.
It will be fastest at the zenith, slowest at E and W points on the horizon
Have a look at this doc, it will clarify many issues that were mentioned in this thread.
http://autostarsuite.net/forums/stor...ation%20V3.pdf