Residents in Hermosillo, Mexico, Yasmin Duarte Valenzuela and her friends could not help but blurt out “it’s a ghost!” when they spotted a strange light formation over the Gulf of California on August 6.

Valenzuela shared a video and photos of the strange sight on Facebook, gathering more than 63,000 views.

According to Valenzuela, the light hovered next to the moon for awhile until it went away. Credit: Facebook/Yasmin Duarte Valenzuela via Storyful