So far, eight Class M flares have been recorded on the Sun. The first one, M2.0, occurred at 01:50 Moscow time.
It is noted that the strongest outbreak occurred around 6 a.m. "On February 4, at 05:39 Moscow time, an M4.9 flash lasting 24 minutes was registered in the X-ray range in the group of spots 4366 (N13E05)," the report says.
Solar flares, depending on the X-ray power, are divided into five classes: A, B, C, M and X. The minimum class A0.0 corresponds to the radiation power in Earth orbit of 10 nanowatts per square meter. When moving to the next letter, the power increases 10 times. Flares are usually accompanied by solar plasma emissions, the clouds of which, reaching the Earth, can provoke magnetic storms. tass.ru.
