This week’s transit of Mercury takes me back to May 9, 2016, my first time seeing the event.
Solar observers get ready for round 2.
Solar observers got to enjoy the sight of a monster sunspot.
The Sun and Moon defy the clouds to put on a show.
Solar observers enjoy a rare flurry of activity.
After a long delay, the current sunspot cycle has reached its peak.
As 2014 began, the biggest sunspot in recent memory made two trips across the solar disc.
One of the biggest sunspot groups in months recently crossed the solar disc.
Even during a weak solar maximum, the show must go on.