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Active Sunspot Groups Rotating Into View

By Robert Trembley  |  14 Apr 2015

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Mosaic of images of the Sun from the Solar Dynamics Obseratory - 4-14-2015 `19:15-19:40 UT Mosaic of images of the Sun from the Solar Dynamics Obseratory – 4-14-2015 19:15-19:40 UT. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams

A rather large set of sunspots is coming into view on the Sun. This mosaic of images shows the spots on the photosphere (upper left) and the same region in different frequencies – there’s a LOT of activity right now. Spaceweather.com says that “NOAA forecasters estimate a 55% chance of M-class flares and a 20% chance of X-flares on April 14th.”

Sunspots on the photosphere showing SDO HMI Quick-Look Continuum 20150414_191500. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams Close-up of sunspots on the photosphere showing plages surrounding them.
SDO HMI Quick-Look Continuum 20150414_191500. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams

You can see the Sun NOW on our site here.

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