I took an 8x10 panel and divided it in half with a 1/2"-wide strip of artist's tape, which gave me two 4.75"x8" rectangles. I limited myself to 30 minutes for each sketch. In the first one, the sun shone in all its glory. But 30 minutes later, when I started the second, clouds swept in and it began to sprinkle. You can really see the difference in the quality of light in these two pieces.
Here's the actual setup:
I took a shot of my palette after I finished the first one. It shows how I managed to keep my mixtures organized. In the heat of the moment, it's easy to forget that staying organized will give you cleaner mixtures and make it possible to compare one with the next.
