This October features a full moon on its first day, known as the Harvest Moon, and another on its last, a Blue Moon—as in “once in a,” because two full moons in one month doesn’t happen every year.

The Hill Country Alliance (HCA) invites people to go outside on these respective nights and howl at the moon as part of its first-ever Night Sky Month celebration. The October event was created to bring awareness to the importance of night sky preservation in the Texas Hill Country and beyond.

Read more from Melissa Gaskill with Texas Highways here.