Here is a link to "how to take photos of art" on youtube. It was very useful information. I was so encouraged when I saw that the instructor used a little camera very similar to mine, not a giant and complicated camera that people who know what they are doing use.
Here is a photo I took using some of what I just learned. I'm still investigating the "white balance" issue.
I need to watch this before I take every photo of my art from now on until it is second nature.
My first photo:
I looked at the video again and zoomed in with the camera feature rather than just getting close to the painting.