X-class solar flare, October 25, 2013
The image is composed of an RGB stack of images taken through filters with wavelengths of 211, 193, and 131 nanometers. A fourth image, taken through a 304-nanometer filter, was dropped on top as a transparent overlay to add the granular texture of the solar photosphere.
Copyright holder: Emily Lakdawalla
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Contact us to request publication permission from the copyright holder. Original image data dated on or about October 25, 2013