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Old 04-01-2018, 12:45 AM
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RobF (Rob)
Mostly harmless...

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Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,716
That looks fine for a typical chinese mount Aaron. The ultimate test is that you're getting round stars on your longer exposure images?

You might reduce the noise a little with mount tweaks (cleaning, adjusting, bearing, belt mods) and twiddling PHD settings, but you have very little DEC corrections on that graph (good!), and almost all the RA corrections are in the same direction (consistent with typical periodic error curve over part of a worm cycle).

Not helpful, but the best sure way to get even better tracking (if you ever need it) is to buy a mount that is 5-10 times more expensive!
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