今晚，北京北部出现极光！视频来了

Core Points - The article discusses the occurrence of auroras in northern Beijing, highlighting the visibility of faint pink and green colors in the sky [1] - A geomagnetic storm began on November 12 at 8 AM Beijing time, which contributed to the formation of the auroras [6] - There is a forecast for potential aurora sightings in China over the next three days, particularly for those located north of the 40th parallel [6] Summary by Sections - Aurora Visibility - Auroras were visible in northern Beijing, characterized by faint pink and green hues [1] - Geomagnetic Storm - A geomagnetic storm started on November 12, leading to interactions between solar material and the Earth's atmosphere [6] - Future Aurora Sightings - There is a possibility of auroras appearing in China for the next three days, especially for individuals in higher altitudes north of the 40th parallel [6]