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Very interesting to hear the opinions on this topic. I started on the Star Adventurer 2i and spent most of my time on it using a Canon DSLR and a 200mm camera lens (5.89 arc second/pixel). I wasn't auto-guiding and yet I found I got quite good results from how I felt back then. Attached are a couple of my best images, all of which have approximately 2 hours of integration time.
Most of my images have got exposures of 120-240s. Yes, they had some trails, but it was better than sitting at 5s exposures without the tracker. I was happy with the results back then. I now look back and go "ahh! Why did I choose to do that!"
Let it be known that I spent a while nailing polar alignment and with my U18 eyes, I was able to spot the octans from my Bortle 5 skies and used the polar scope illuminator to align them to the markings on the glass.
Hope this advice helps!
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