Quote:
Originally Posted by Stonius
Yeah, that seems like a lot. If I'm trying for arc-second accuracy, it can take me 20 mins with sharpcap because the locking screws introduce a tiny bit of movement, so there's an iterative process there. But at an hour, I'd be looking for alternatives myself.
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I think it is a bit excessive too, usually do it when I plan to leave the mount out for a few days with a bbq cover on it. After the hour its about as good as its going to get and the trendline in PHD stays flat, the circle around the guide star showing the error is about the size of the star, error is usually single digit arc-seconds.
I think there are other problems to fix with my setup that render that a little bit unnecessary.
I've read recently that less than perfect mounts (like my CGEM) can actually do better with guiding if you leave them out of alignment a little. The polar drift aligment I start with is fairly quick to get within a couple of arc minutes..