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James, the mirror of that 114 will flop all around the sky as you try to guide - an inherent characteristic of newtonians. You'd be far better off with a little refractor with fixed optics, be it a modified 8x50 finder scope with Orion Star Shoot Autoguider (OSSAG) etc, a cheapy 60mm old school refractor (Meade, Saxon, Tasco etc) or perhaps make your own little guide scope as I like to do. I like to use old binoculars with leftover bits and pieces from home. Mixed with my OSSAG the image scale (IS) is 5.5. You could also add a barlow to this sort of cheapy setup to increase the IS. Many possibilities here. Cheers. (Happy to post of pic if interested).
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