A powerful class M flare was recorded on the Sun. It lasted 72 minutes. This was reported on August 22 on the website of the Fedorov Institute of Applied Geophysics (FSBI "IPG"). 

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On August 22, at 21:51 Moscow time, an M1.7 flare (S18E87) lasting 72 minutes was recorded in the X-ray range.
Press service of FSBI "IPG"

According to forecasts for August 23, solar activity will be moderate, and class X flares are unlikely. The magnetic field will also be calm, with occasional periods of instability.

Earlier www1.ru reported that another solar flare of level M2.1 occurred in a day.

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Over the past day, 15 flares occurred on the Sun - 2.5 times more than the day before

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