A total lunar eclipse will light up the night sky tonight, turning the moon a reddish hue. Here's how and when to view it.

Photojournalist Adam Cairns captured some remarkable shots of the unique lunar event. Take a look at the gallery above or if you are a night owl, submit your own photos of the eclipse below. A lunar eclipse occurs when the Earth lines up directly between the sun and the moon. The Earth's shadow, called its umbra, falls on the moon.

When and where will the total lunar eclipse be visible? We show who will have the best views and when you should watch.