Trelew Magnetic Observatory
Satellite imagery: Esri, Maxar, Earthstar Geographics
Trelew Magnetic Observatory is a geomagnetic monitoring station in Patagonia, Argentina, quietly recording the behaviour of Earth's magnetic field.
About Trelew Magnetic Observatory
The station is a digital geomagnetic observatory and forms part of an international network of similar sites around the world. Rather than studying stars or planets, it measures variations in Earth's own magnetic field over time.
Telescopes & research
Data collected at Trelew is used to test and validate geomagnetic reference field models, contributing to the accuracy of magnetic surveys carried out worldwide. This makes the observatory a small but useful piece of a much larger scientific effort to understand the planet's magnetic environment.
Location & getting there
The observatory is located in Trelew, in the Patagonia region of Argentina, in South America.
Visiting Trelew Magnetic Observatory
As a scientific monitoring station rather than a public astronomy site, Trelew Magnetic Observatory isn't generally set up for visitor tours; there are no telescopes here for public stargazing. Anyone interested in access should check with the operating institution directly.
See your named star from here
While this site studies Earth's magnetism rather than the stars overhead, the same Patagonian night sky above it holds the coordinates of any named star, visible from many other locations nearby. See the star catalogue to learn more.
Opening hours and public-visit programs vary by season. Check Google Maps for current times before you travel.

