The Southern Delta Aquariids are a meteor shower typically active for a few weeks starting from mid-July. The shower travels at a velocity of 25 miles per second, according to the American Meteor Society (AMS) and is best seen by those living further south.

Three meteor showers are teaming up to spray fireballs across the night sky over Washington state. The Alpha Capricornids and the Southern delta Aquariids both peak on Wednesday, July 30, while the popular Perseids remain active until late August, according to the American Meteor Society.

Two meteor showers —the Alpha Capricornids and Southern Delta Aquariids — reach their peaks this week. Here’s how to observe these celestial events.