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I haven't got to the stage of using my SBIG for autoguiding on my Losmandy yet, but i do need to.
I have my GM8 setup with my Megrez 80 and a cheap Skywatcher 70x700 OTA. That skywatcher works very nicely with a 2x and meade 12mm illuminated eyepiece for manual guiding, I'd expect it to work just as well for autoguiding.
The skywatcher surprised me by having a focus lock and t-thread on the focusser draw tube. I didn't expect those features for such a crappy cheap OTA, so would recommend it at AU$150ish.
Once I train the PE out of my Losmandy it's not too bad but as John said, guiding is still required even with 'perfect' polar alignment and good PE training.
Now if only I could fix the rotten backlash.
Roger.
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