Heads up, literally! The "blood moon" total lunar eclipse will awe stargazers this week. Here are the best times to watch in Southern California.

A total lunar eclipse occurs when the Earth is positioned directly between the moon and sun, blocking the sun's rays from the moon.

Stargazers will get a sight to behold Thursday night as a "blood moon" total lunar eclipse appears in the sky. The total lunar eclipse featuring a "blood moon" will appear on the