Core Viewpoint - The article discusses the occurrence of an X1.9-class solar flare from sunspot region 14341, marking the first X-class flare since 2026, and its potential impacts on geomagnetic activity and auroras on Earth [2][4][6] Group 1: Solar Flare Details - The solar flare occurred on January 19 at 02:09 Beijing time, classified as X1.9, indicating significant solar activity [2] - Sunspot region 14341 is located in the eastern central part of the sun, covering an area of 500 microhectares, with a complex magnetic field of the β-γ type [4] - The flare was accompanied by a coronal mass ejection (CME), which is expected to lead to geomagnetic activity on January 20-21 [4][6] Group 2: Impact and Observations - The solar flare did not affect the ionosphere or shortwave radio communications in China due to its occurrence during nighttime [4] - The conditions are favorable for capturing stunning aurora photographs, particularly on the night of January 20, coinciding with a slender crescent moon [6] - The National Space Weather Monitoring and Warning Center will closely monitor solar dynamics to provide timely services [6]
太阳X级耀斑爆发 20至21日可能出现较强地磁活动
Yang Shi Xin Wen·2026-01-19 03:02