المملكة: Jeddah Astronomy: A huge coronal emission from the sun… without a direct impact on the Earth

The association announced The Astronomical Societyin Jeddah announced the observation of a huge coronal mass ejection in the latest images of the coronagraph of the GOES-19 satellite, where the data showed a bright and asymmetric halo indicating the release of huge amounts of plasma from the outer atmosphere of the sun.

The president of the association, Engineer Majid Abu Zahra, said that Preliminary observations showed that this event coincided with a Type II radio emission observed at 03:10 a.m. Mecca time on October 29, 2025, adding that the estimated speed of the outburst reached about 1,279 kilometers per second, a speed described as high energy and usually associated with strong coronal ejections.

Abu Zahra explained that analyzes indicate that the likely source of this emission is the active sunspot region AR 4246, which is currently located about four days away from reaching the eastern edge of the sun.
He added that this region is considered one of the most magnetically active regions at the present time, as repeated flares of the moderate category have been recorded in it during the past days, which reflects a state of rising turmoil in the surface of the sun.

The president of the association stated that coronal emissions of this magnitude may lead to Geomagnetic disturbances if they are directed directly towards the Earth, such as fluctuations in the Earth’s magnetic field or the emergence of solar storms whose strength ranges between moderate and severe during the following days.

However, preliminary estimates, according to Abu Zahra, indicate that this emission is directed at an indirect angle relative to the Earth, which reduces the possibility of its direct impact on communications, navigation, and energy systems.