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Antananarivo Magnetic Observatory

Madagascar · Africa
✦ -18.9170, 47.5520

Satellite imagery: Esri, Maxar, Earthstar Geographics

About this observatory

Antananarivo Magnetic Observatory is a geophysical facility located in Madagascar that monitors and records Earth's magnetic field. Established in 1889 and modernized in 1983, it joined the INTERMAGNET global network in 1992.

About Antananarivo Observatory

The observatory measures and records continuous data about Earth's magnetic field with a one-second sampling rate. Researchers perform absolute measurements of magnetic field components regularly throughout the year. The facility is maintained by the Institut et Observatoire Geophysique d'Antananarivo (IOGA) and contributes to global geomagnetic research.

History

Created in 1889, the observatory has operated continuously for over a century. Following modernization in 1983, it joined INTERMAGNET, the International Real-time Magnetic Observatory Network, in 1992. This connection allows data to be shared globally for geophysical research and space weather monitoring.

Location & getting there

Situated in Antananarivo, Madagascar's capital city, the observatory sits on the island nation off the east coast of Africa. The location provides important coverage for the INTERMAGNET network across the Indian Ocean and African region.

Visiting Antananarivo Observatory

As a geophysical research facility, public visiting may be limited. For information about access or tours, contact the Institut et Observatoire Geophysique d'Antananarivo directly or inquire through Madagascar tourism services.

Name a star of your own

Whether or not you can visit Antananarivo Magnetic Observatory, you can dedicate a real, visible star through Star-Register. Name a star to receive its exact coordinates, or browse the star catalogue to look one up.

Opening hours

Opening hours and public-visit programs vary by season. Check Google Maps for current times before you travel.

Frequently asked questions
It continuously monitors and records Earth's magnetic field to study geomagnetic variations and space weather.
The observatory was created in 1889 and modernized in 1983 before joining INTERMAGNET in 1992.
INTERMAGNET is a global network of magnetic observatories that share real-time data for geophysical research.
The observatory is situated in Antananarivo, the capital city of Madagascar.
Location
Nearby observatories
Antananarivo Magnetic Observatory | Madagascar | Star-Register.eu