On Tuesday, a pre-penultimate class flare of M power was recorded on the Sun, according to the Institute of Applied Geophysics (FSBI "IPG").

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This is the first flare of this magnitude since March 5.

On March 11 at 15:04 Moscow time, an M1.1 (N05W46) flare with a duration of 3 minutes was recorded in the X-ray range.
FSBI "IPG"

Depending on the power of X-ray radiation, solar flares are divided into five classes: A, B, C, M, and X. Class M flares cause minor radio interference on the daylight side of the Earth.

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