On June 21, 2013, at 03:15 UT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. These particles cannot travel through the atmosphere to harm humans on Earth, but they can affect electronic systems in satellites and on the ground. Read more
Sunspots 11777, 11775, 11774, 11773, 11776, 11772 and 11770 captured with a 100mm refractor and Vesta pro webcam + DIY focal reducer and solar filter. Labelled image processed with Avistack2.