Perseids are known for their bright fireballs and plentiful meteors. The show started on July 17, and will run through Aug. 23.

The Perseids will peak again Tuesday with mostly clear skies on tap. But will haze and a somewhat full moon play spoiler?

Whether you're a casual stargazer or devoted astro-photographer, the rare overlap of the northern lights and Perseids meteor shower offers an unforgettable light show. Here's how, when and where to catch a glimpse of this dazzling spectacle.