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I haven't tried guiding yet. I have read that there are two techniques; either off-axis guider or a guide scope. I am not sure which method to try first or which would be better for my 8" SCT. I am a bit reluctant at this time to purchase too many more accessories as I have only had the SCT for a little over month.
I do seem to spend a fair bit of time getting my alignment right, but thankfully there has been some easy to follow techniques posted by others on this site. I have found that if I take too long exposures (say greater than 3min) I seem to get pear-shaped stars or star trails.
I would like to take longer exposures. I think that my alignment can handle up to 2min exposures without guiding.
I use the remote shooting feature that came with the Camera. This makes it much easier to take many shots of the same exposure and then stack in Deep Sky Stacker. I also do not know how to setup remote shooting for times longer than 30sec on my 350d. Does anyone know if there is a simple and easy way to do this?
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