Public Solar Viewing Saturday & Sunday April 6th & 7th:
Sat 11 – 3PM: Cupertino’s Earth Day @ Cupertino Civic Center
CLICK HERE FOR EARTH DAY FLYER
Sun 2 – 4PM : SJAA’s H+Alpha Day @ Houge Park
POLAR FILAMENT ERUPTION: Not every eruption requires a sunspot. On April 1st (no fooling) a magnetic filament snaking some 800,000 km around the sun’s north pole rose up and erupted, hurling part of itself into space. NASA’s Solar Dynamics Observatory (SDO) recorded the event; 7 O’Clock on the solar dial:
