I only just saw this thread. I’ve been using the DDM85XL in my observatory for a few years. When I got it, it did require a trip back to Austria for repairs and I can honestly say the support from ASA was excellent- I wouldn’t waste my time with the local distributor.
My experience is at odds to Peters with respect to unguided imaging. Using the mlpt process has produced tighter stars than autoguiding, but the skies over Perth has a different set of challenges, and we are usually seeing limited.
Happy to talk more - pm me, but it sounds like you’re already committed!
Cheers
Andrew.
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