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![A signature image for SEC, taken from the Boulder Observatory telescope of an enterprising SEC staffer and the Sun setting behind the Flatironsmountains in Boulder wea01038.jpg A signature image for SEC, taken from the Boulder Observatory telescope of an enterprising SEC staffer and the Sun setting behind the Flatironsmountains in Boulder](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea01038.jpg?itok=2hDDltRw)
Description
A signature image for SEC, taken from the Boulder Observatory telescope of an enterprising SEC staffer and the Sun setting behind the Flatironsmountains in Boulder. The Sun has a nice amount of activity, visible with the H-alpha filter.
Collection
Weather Service
Keywords
Weather Wonders
Space Weather
Sun