Hi Adam, no sweat on the late reply.
My EQMOD settings are:v1.22b, RA & Dec rate .5, min pulse width 40, Dec backlash 10, RA & Dec pulse width override 2500 but boxes not ticked.
PHD is 1.12.1, RA agg 50, RA Hyst 30, Max RA dur 1000, Search region 10, min motion .1, cal step 2500, time lapse 10, LE port 378, Dec guide mode Auto, Dec alg res switching, Dec slope 5, Max Dec dur 100, star mass tol 1 (Disabled?, Noise red 3x3 median. I normally use 2.5 seconds exposure time to give a slower guide update. I'm still using the finderguider with the DSI II mono, seems OK for me even with guiding the 2000mm C8.
I would imagine with a 200mm newt on an EQ5, you would need pretty good balance and alignment to guide, it's probably pretty much on the EQ5 limit. I had my SW200 f6 (1200mm long) dob scope mounted on my EQ5, and it seemed right at the limit of what the EQ5 go to was happy with. If you have the shorter f5, probably a lot better though.
Cheers,
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