Two weeks in the life of a sunspot

Public Release: 4-Aug-2017 From Eurekalert                NASA/Goddard Space Flight Center VIDEO: On July 5, 2017, the Solar Dynamics Observatory watched an active region — an area of intense and complex magnetic fields — rotate into view. During its 13-day trip across… view more   Credit: NASA’s Goddard Space Flight Center/SDO/SOHO/CCMC/SWRC/Genna Duberstein, producer On July 5, 2017,…

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Sunspot group AR1890 takes direct aim at earth

May produce a dangerous X-class flare that could directly impact Earth Steve Davidson writes: Right now, today, one of the largest sunspot groups of Cycle 24 – AR1890 – is pointing nearly strait at Earth. AR1890 has already produced a large X-class Level 3 solar flare Monday. from Spaceweather.com: X3-CLASS SOLAR FLARE: Earth-orbiting satellites have…

October 2013 Sunspots: Largest jump in Solar cycle 24 so far

Looks like a double peak for cycle 24 is forming As many WUWT readers have noted in comments, October 2013 has been significantly more active than the previous several months, and we have not seen this level of activity since October 2011. At right, is the sun today showing several sunspots of significant size. No…

Sun produces four X-class flares in two days

Above: note the four separate events in the last two days – from the WUWT Solar Page (From NASA’s Spaceweather.com) When the week began, the sun hadn’t unleashed an X-flare all year long. In only two days, sunspot AR1748 has produced four. The latest X-flare from this active sunspot occured on May 15th at 0152…

December solar activity in a big slump

The December data from NOAA’s Space Weather Prediction Center is in, and it looks more and more like the peak of solar cycle 24 has been reached, and that we are now past it. Even with documented problems like “sunspot count inflation” the sunspot count for December is quite low: Note the large difference between…