On February 9, NASA’s Solar Dynamics Observatory caught a solar magnetic filament eruption in mid-act. The billowing coronal mass ejection (CME) shot out into space at 800 km/s, streaking just slightly north of Earth, with a possible glancing blow expected on February 12. Effects are not expected to be severe, but will produce polar aurorae that are already getting a workout from a week’s worth of solar wind streaming by. “At the risk of sounding boring and repetitive, I have to say this: It was another great night in the Arctic!” reports Rayann Elzein of Utsjoki, Finland through www.spaceweather.com.
Below, the Sun’s “greatest hits” from three years of monitoring by the Solar Dynamics Observatory (SDO):