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One Solar Rotation of Sunspots

Nov_spots.jpg
 
 

A lot of sunspots peppered the Sun over a magnetically active, 23-day period (Nov. 4 - 30, 2011), which is one complete solar rotation. During this month most of the sunspots appeared in the Sun's northern hemisphere. This was the peak month thus far into the current solar cycle. The images were taken by SDO's HMI instrument in what we call intensitygrams, which is how the Sun appears in filtered light. The video shows how spots can change over hours and days. The movie consists of over 1000 frames.

Search Tag(s): intensitygram, sunspots, hmi

 

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