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Pro: Exceedingly good resolution. Nicely processed for dynamic range, colour and contrast. You've avoided the trap of making it look blue when it is really orange.
Con: You've got some serious tracking/guiding issues. Each star looks like a little Saturn. We've been having similar problems, now largely fixed, and we believe it was due to static friction in the mount bearings. Intentionally putting it out of balance so it wants to move freely to the east when you release the clutches helps hugely. For north-south, you need to know which way the guiding wants to go on average. If the polar axis alignment is such that you have to guide mostly north, balance it so it wants to move south when you release the clutches, and tell the guiding to only ever guide north. Vice versa of course in the opposite case. Because stiction is intermittent and unpredictable, you may find that most frames are pretty good but just a few are bad and should be tossed. Hope that helps.
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