Did I follow the best practice using Power Query?

I recently needed to build tables of full moons and solar eclipses from 1948 through the present. I thought this would be an excellent opportunity to use Power Query for the first time.

I found the data online and used Power Query to pull it all into Excel. In the case of the full moons, each year was on a separate web page. So, I ended up with 79 separate queries. After investigating how to do so, I was able to merge the 79 separate queries into one.

Once I had the tables with the data I wanted. I hard copied and pasted them and deleted all the queries. Without a trace of the queries left behind, they now appear as if I undertook the tedious task of typing hundreds (maybe more than 1,000) of entries into the individual cells. From what I understand about Power Queries, these are rebuilt each time I open the file. Since the historical data will never change, there is little reason for that. Further, I have no way of knowing whether the websites I used will have the same URLs forever. Presumably, any change would break the query.

Later this year, I'll add 2027 fulll moon and solar eclipse data. I can run new Power Queries, append them to the tables I have, hard copy and paste them and then delete the queries. It seems I can do this every year until I am too old and feeble to continue.

I would appreciate critiques from experienced Power Query users about the decisions I made after considering the particular circumstances. Would there have been an advantage to keep the Power Queries intact? Did I speed up the calculation of the workbook by deleting the Power Queries?