A total lunar eclipse will be viewable in the United States overnight into Friday morning, so some may want to pull an all-nighter to catch a good look at the rare celestial event, also known as the "blood moon.

According to Dr. Angela Speck, a professor of astrophysics and department chair for physics and astronomy at The University of Texas at San Antonio, the "blood moon" total lunar eclipse will be visible across the U.S. and no special equipment will be necessary to view it.