Sky watchers on the US west coast all the way over to east Asia are in for a rare treat in the early morning hours this Saturday, December 10th. A total lunar eclipse will grace the sky and is anticipated to be one of the brightest, deepest red moons in years.

According to NASA, “The action begins around 4:45 am Pacific Standard Time when the red shadow of Earth first falls across the lunar disk.  By 6:05 am Pacific Time, the Moon will be fully engulfed in red light. This event—the last total lunar eclipse until 2014—is visible from the Pacific side of North America, across the entire Pacific Ocean to Asia and Eastern Europe.”

Here’s a video explaining the science behind what we’ll see. Below, we have a global visibility map.