Reference image from SpaceWeatherLive
Thursday 20 April 2023
WL_200423_1148UT
Halpha_200423_1130UT
Halpha_200423_1134UT
Halpha_200423_1136UT
Halpha_200423_1137UT
Halpha_200423_1138UT
Halpha_200423_1139UT