I came back to this with the idea of adding a little more and quitting before I stopped enjoying it. Something verrrrry strange with the sky, but this is working better than anything else I have tried. All done for today, I will take it out tomorrow and look at it and see what I see.
I have started putting the scans in a folder and I think I am going to number them. In a few months I should be able to flip through them in order and make something of what is happening.