Today I continued my work from last week and manipulated images of planetary nebulae so that I could make the regions around the central star, the nebula, and a sample of the space around it. However, I had a lot of trouble saving the images so that they could be reopened. I ended up having to download a few new programs in order to save the images . . . and start all over! Oh well at least I know I'm doing things the right way now!