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NASA SDO - Traveling Sunspots (Feb 7 - 20, 2011)

A beautiful video showing a full side to side passing of an active region and the movement of sunspots as seen by the HMI instrument. The Helioseismic and Magnetic Imager extends the capabilities of the SOHO/MDI instrument with continual full-disk coverage at higher spatial resolution and new vector magnetogram capabilities. Credit: NASA SDO

Channels: Solar astronomy 

Added: 2804 days ago by deek

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