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Large solar storms ‘dodge’ detection systems on Earth

According to observations from the Tihany Magnetic Observatory in Hungary, the indices used by scientists to assess the Sun’s geomagnetic perturbations to the Earth are unable to detect some of these events, which could put both power supply and communication networks at risk. The Tihany Magnetic Observatory registered a solar storm similar to the largest one ever recorded while other observatories were completely unaware of the event.

In 1859 the largest and most powerful solar storm ever recorded, also known as the Carrington Event or the Carrington Flare in honour of the English Astronomer Richard Carrington who observed it, was detected at the Colaba Observatory in India. This solar storm allowed for the observation of auroras at latitudes as low as Madrid and even the Caribbean Sea. However, the storm was also the cause of power outages and fires at telegraph system facilities all over Europe and North America.

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