This is super nice Bob! That's an awesome view with only 30 minutes of time. I would suggest you go to 20 or 30 second subs so as to get more of the subtle detail then the 10 second subs will get.
When I looked at the S30 Pro, there were like 5 or 6 objects that I thought it would be totally perfect for, and M45 was one of them. While Mosaics are great, it's really nice when objects can be captured in a single frame.