For yet another summer, since the second half of July, the Perseids, also known as the tears of Saint Lawrence, have once again appeared in the sky every night. The best time to see them will be between this Thursday, August 11, and Saturday the 13th. In places that are far from light pollution, up to 50 perseids per hour can be observed, although many have also been seen on previous days. Shooting Stars. The Moon, which reaches its full phase on Friday the 12th, will be a small inconvenience and will mean that only the brightest Perseids can be seen. “If the observation conditions were ideal, around 100 shooting stars could be seen per hour, but the brightness of the Moon will be one of the factors that will cause the real number of visible Perseids to drop to about 50,” explains José. María Madiedo, researcher at the Institute of Astrophysics of Andalusia (IAA-CSIC), in a press release of the institution.