Aurora Outbreak, Meteor Shower & Rocket Launch: Sky Spectacle on Aug 31–Sep 1, 2025
Key Facts Auroras Incoming: Solar Storm on September 1–2 The biggest excitement for this weekend’s skywatchers is the aurora alert triggered by an Earth-directed solar eruption. On Aug 30, a small sunspot (NOAA AR 4204, part of larger region 4199) surprised forecasters by erupting with a long-duration M2.7-class solar flare spaceweather.com. Though moderate in X-ray intensity, the flare’s 3-hour span flung a full-halo CME – essentially a billion-ton cloud of magnetized solar plasma – directly toward Earth swpc.noaa.gov spaceweather.com. When will it arrive? According to NOAA and NASA models, the CME impact is expected late on Sept 1 (UTC), with