Harry Potter Points His Wand at the Sun and Cries

Multiple Choice

Harry Potter points his wand at the sun and cries "Spotificus!" Within 8 minutes, observers all over the earth see a large string of sunspots form on the sun. Did Harry create the sunspots?

A) Yes. Harry is a very powerful wizard.
B) Yes, if magical effects travel at the speed of light.
C) No. This is not physically possible, even with magic.