>>3945340>That article doesn't mention star trackers at all.You still didnt figure this one out? I swear I had a dog that was smarter than YOU!
Because stacking is how you have still ground with trackers. You do exposure for ground when your tracker is not moving, then you do exposures when it starts tracking. And you need tracker, because your stars are slowly moving out of filed of view.
Also, I'm it is amazing that when I was getting much deserved sleep, you were still seething.