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Hey all,
Interesting - the rig is out and imaging right now. I got about 1 arc-second RMS guiding before the flip, and am getting about the same afterwards. (Yes, doing OSC imaging under a full moon!)
The only thing I can think of that's likely to cause guiding issues is the way I balanced the scope. The last 2 sessions I have not set it to be east-heavy (ie, counterweight-heavy) and the guiding has been perfect.
Given the HEQ5 has the belt-mod done to it (and has effectively zero backlash aside from the worm-drive to brass cylinder-gear) would balancing the rig to be counterweight-heavy cause guiding problems?
Cheers,
V
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