pl23_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 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](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea01038.jpg)
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