Far side flare, July 23, 2012, "Superstorm"

Far side flare means that it was not visible from the Earth but it was visible from STEREO A spacecraft.

Video startJuly 22, 2012, 18:14:00 UT (high cadence part: July 22, 22:44:45 UT)
Video endJuly 24, 2012, 14:14:00 UT (high cadence part: July 23, 03:23:30 UT)
Frame rate15 fps, 1 s of video corresponds to 18 min 45 s in reality (high cadence part)
DataNASA, STEREO A, Secchi, 304 A, 171 A, 195 A
ProcessingPM*-NAFE algorithm by Miloslav Druckmüller
OrientationSolar North is on the top
Note* The color mapping used for this video is not identical with PM-NAFE applied to NASA, SDO AIA data. The reason is that 211 A channel is not available and was replaced by 195 A channel.
Download (1080 × 1080 pixels), sRGB color space, 5.6 MB

Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
Page last update: 2.2.2020