Fig. 4: Original solar image, flat-field matrix, and corrected image.
From: Solar X-ray and EUV imager on board the FY-3E satellite

The solar image was captured by X-EUVI at 02:01 on November 5, 2021
From: Solar X-ray and EUV imager on board the FY-3E satellite

The solar image was captured by X-EUVI at 02:01 on November 5, 2021