Asteroid 9 Metis at its best for observation; when to see it from Mexico in August?

Stargazers in Mexico have an excellent opportunity to observe asteroid 9 Metis on August 28, 2026, when it reaches opposition. This astronomical event occurs just one day after a partial lunar eclipse, known as the Blood Moon, which will be visible across various regions of the country.

During opposition, the asteroid will be in direct alignment with the Earth and the Sun. This configuration maximizes the amount of sunlight the rocky body reflects, making it as bright as possible from our perspective. Astronomical databases, such as those from the National Autonomous University of Mexico (UNAM), highlight that opposition presents the ideal conditions for studying and observing asteroids from Earth-based observatories and by amateur astronomers with basic equipment.

However, observing 9 Metis will require more than just looking up at the sky. The asteroid has an apparent magnitude of approximately 9.3, which is too faint to be seen with the naked eye. Observers will need at least 50mm binoculars or a basic telescope to spot its passage through the constellation Aquarius.

For those using mobile devices, celestial navigation apps like Star Walk can guide the observation. By enabling location services, searching for "9 Metis," and following the on-screen directional arrow, users can orient their devices towards the asteroid's position in the sky. Adjusting the app's simulation date to August 28, 2026, will allow for real-time tracking.

Essential recommendations for observing 9 Metis include: choosing a date of August 28, 2026; locating it in the constellation Aquarius; using binoculars of at least 50mm or a basic telescope; and seeking out areas with minimal light pollution for the best viewing conditions.