Here is another sky photo I took with my handy-dandy cell phone:
This picture was taken at 5pm when unfortunately, the last spec of light deminishes in the winter time.
Check out these colors…it reminds me of a watercolor painting when your blue and yellow paints touch, mixing to form a green hue. Can you see it? So many factors are at work to create these colors; the sun, clouds, dust, distance and time are just a few!